Home / 67,929.60-101,802.24-38,332.80

Finding the Fourth Proportional to 67,929.60, 101,802.24 and 38,332.80

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Solution

The fourth proportional to 67,929.60, 101,802.24 and 38,332.80 is: 57,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.60 : 101,802.24 = 38,332.80 : x
  2. Step 2: Convert to fraction form
    67,929.60/101,802.24 = 38,332.80/x
  3. Step 3: Cross multiply
    67,929.60x = 101,802.24 × 38,332.80
  4. Step 4: Simplify right side
    67,929.60x = 3,902,364,905.47
  5. Step 5: Solve for x
    x = 3,902,364,905.47/67,929.60
  6. Step 6: Final answer
    x = 57,447.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.