Home / 31,355.83-43,269.60-17,208.91

Finding the Fourth Proportional to 31,355.83, 43,269.60 and 17,208.91

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Solution

The fourth proportional to 31,355.83, 43,269.60 and 17,208.91 is: 23,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.83 : 43,269.60 = 17,208.91 : x
  2. Step 2: Convert to fraction form
    31,355.83/43,269.60 = 17,208.91/x
  3. Step 3: Cross multiply
    31,355.83x = 43,269.60 × 17,208.91
  4. Step 4: Simplify right side
    31,355.83x = 744,622,652.14
  5. Step 5: Solve for x
    x = 744,622,652.14/31,355.83
  6. Step 6: Final answer
    x = 23,747.50

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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.