Home / 57,082.10-78,770.13-31,926.74

Finding the Fourth Proportional to 57,082.10, 78,770.13 and 31,926.74

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Solution

The fourth proportional to 57,082.10, 78,770.13 and 31,926.74 is: 44,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,082.10 : 78,770.13 = 31,926.74 : x
  2. Step 2: Convert to fraction form
    57,082.10/78,770.13 = 31,926.74/x
  3. Step 3: Cross multiply
    57,082.10x = 78,770.13 × 31,926.74
  4. Step 4: Simplify right side
    57,082.10x = 2,514,873,460.28
  5. Step 5: Solve for x
    x = 2,514,873,460.28/57,082.10
  6. Step 6: Final answer
    x = 44,057.13

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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.