Home / 31,353.92-43,269.15-17,206.75

Finding the Fourth Proportional to 31,353.92, 43,269.15 and 17,206.75

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Solution

The fourth proportional to 31,353.92, 43,269.15 and 17,206.75 is: 23,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.92 : 43,269.15 = 17,206.75 : x
  2. Step 2: Convert to fraction form
    31,353.92/43,269.15 = 17,206.75/x
  3. Step 3: Cross multiply
    31,353.92x = 43,269.15 × 17,206.75
  4. Step 4: Simplify right side
    31,353.92x = 744,521,446.76
  5. Step 5: Solve for x
    x = 744,521,446.76/31,353.92
  6. Step 6: Final answer
    x = 23,745.72

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Find fourth proportional to 15,676.96, 21,634.58 and 8,603.38
Half scale
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Double scale
Find fourth proportional to 31,354.92, 43,270.53 and 17,207.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.