Home / 71,463.28-98,616.84-39,635.14

Finding the Fourth Proportional to 71,463.28, 98,616.84 and 39,635.14

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Solution

The fourth proportional to 71,463.28, 98,616.84 and 39,635.14 is: 54,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,463.28 : 98,616.84 = 39,635.14 : x
  2. Step 2: Convert to fraction form
    71,463.28/98,616.84 = 39,635.14/x
  3. Step 3: Cross multiply
    71,463.28x = 98,616.84 × 39,635.14
  4. Step 4: Simplify right side
    71,463.28x = 3,908,692,259.76
  5. Step 5: Solve for x
    x = 3,908,692,259.76/71,463.28
  6. Step 6: Final answer
    x = 54,695.11

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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.