Home / 60,880.20-83,960.28-38,221.31

Finding the Fourth Proportional to 60,880.20, 83,960.28 and 38,221.31

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Solution

The fourth proportional to 60,880.20, 83,960.28 and 38,221.31 is: 52,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,880.20 : 83,960.28 = 38,221.31 : x
  2. Step 2: Convert to fraction form
    60,880.20/83,960.28 = 38,221.31/x
  3. Step 3: Cross multiply
    60,880.20x = 83,960.28 × 38,221.31
  4. Step 4: Simplify right side
    60,880.20x = 3,209,071,613.10
  5. Step 5: Solve for x
    x = 3,209,071,613.10/60,880.20
  6. Step 6: Final answer
    x = 52,711.25

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