Home / 53,908.10-80,862.15-42,632.90

Finding the Fourth Proportional to 53,908.10, 80,862.15 and 42,632.90

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Solution

The fourth proportional to 53,908.10, 80,862.15 and 42,632.90 is: 63,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.10 : 80,862.15 = 42,632.90 : x
  2. Step 2: Convert to fraction form
    53,908.10/80,862.15 = 42,632.90/x
  3. Step 3: Cross multiply
    53,908.10x = 80,862.15 × 42,632.90
  4. Step 4: Simplify right side
    53,908.10x = 3,447,387,954.74
  5. Step 5: Solve for x
    x = 3,447,387,954.74/53,908.10
  6. Step 6: Final answer
    x = 63,949.35

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Similar ratio
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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.