Home / 57,387.10-79,194.12-31,892.66

Finding the Fourth Proportional to 57,387.10, 79,194.12 and 31,892.66

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Solution

The fourth proportional to 57,387.10, 79,194.12 and 31,892.66 is: 44,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387.10 : 79,194.12 = 31,892.66 : x
  2. Step 2: Convert to fraction form
    57,387.10/79,194.12 = 31,892.66/x
  3. Step 3: Cross multiply
    57,387.10x = 79,194.12 × 31,892.66
  4. Step 4: Simplify right side
    57,387.10x = 2,525,710,747.19
  5. Step 5: Solve for x
    x = 2,525,710,747.19/57,387.10
  6. Step 6: Final answer
    x = 44,011.82

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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.