Home / 38,082.66-57,123.98-10,380.66

Finding the Fourth Proportional to 38,082.66, 57,123.98 and 10,380.66

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Solution

The fourth proportional to 38,082.66, 57,123.98 and 10,380.66 is: 15,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.66 : 57,123.98 = 10,380.66 : x
  2. Step 2: Convert to fraction form
    38,082.66/57,123.98 = 10,380.66/x
  3. Step 3: Cross multiply
    38,082.66x = 57,123.98 × 10,380.66
  4. Step 4: Simplify right side
    38,082.66x = 592,984,445.43
  5. Step 5: Solve for x
    x = 592,984,445.43/38,082.66
  6. Step 6: Final answer
    x = 15,570.98

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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.