Home / 57,123.66-85,689.12-17,677.46

Finding the Fourth Proportional to 57,123.66, 85,689.12 and 17,677.46

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Solution

The fourth proportional to 57,123.66, 85,689.12 and 17,677.46 is: 26,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.66 : 85,689.12 = 17,677.46 : x
  2. Step 2: Convert to fraction form
    57,123.66/85,689.12 = 17,677.46/x
  3. Step 3: Cross multiply
    57,123.66x = 85,689.12 × 17,677.46
  4. Step 4: Simplify right side
    57,123.66x = 1,514,765,991.24
  5. Step 5: Solve for x
    x = 1,514,765,991.24/57,123.66
  6. Step 6: Final answer
    x = 26,517.31

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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.