Home / 31,327.56-43,234.16-17,710.92

Finding the Fourth Proportional to 31,327.56, 43,234.16 and 17,710.92

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Solution

The fourth proportional to 31,327.56, 43,234.16 and 17,710.92 is: 24,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.56 : 43,234.16 = 17,710.92 : x
  2. Step 2: Convert to fraction form
    31,327.56/43,234.16 = 17,710.92/x
  3. Step 3: Cross multiply
    31,327.56x = 43,234.16 × 17,710.92
  4. Step 4: Simplify right side
    31,327.56x = 765,716,660.47
  5. Step 5: Solve for x
    x = 765,716,660.47/31,327.56
  6. Step 6: Final answer
    x = 24,442.27

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Double scale
Find fourth proportional to 31,328.56, 43,235.54 and 17,711.92
Similar ratio
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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.