Home / 66,906.17-92,331.79-36,689.58

Finding the Fourth Proportional to 66,906.17, 92,331.79 and 36,689.58

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Solution

The fourth proportional to 66,906.17, 92,331.79 and 36,689.58 is: 50,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.17 : 92,331.79 = 36,689.58 : x
  2. Step 2: Convert to fraction form
    66,906.17/92,331.79 = 36,689.58/x
  3. Step 3: Cross multiply
    66,906.17x = 92,331.79 × 36,689.58
  4. Step 4: Simplify right side
    66,906.17x = 3,387,614,262.11
  5. Step 5: Solve for x
    x = 3,387,614,262.11/66,906.17
  6. Step 6: Final answer
    x = 50,632.31

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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.