Home / 67,532.40-93,179.16-39,221.28

Finding the Fourth Proportional to 67,532.40, 93,179.16 and 39,221.28

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Solution

The fourth proportional to 67,532.40, 93,179.16 and 39,221.28 is: 54,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,532.40 : 93,179.16 = 39,221.28 : x
  2. Step 2: Convert to fraction form
    67,532.40/93,179.16 = 39,221.28/x
  3. Step 3: Cross multiply
    67,532.40x = 93,179.16 × 39,221.28
  4. Step 4: Simplify right side
    67,532.40x = 3,654,605,924.52
  5. Step 5: Solve for x
    x = 3,654,605,924.52/67,532.40
  6. Step 6: Final answer
    x = 54,116.33

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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.