Home / 44,728.32-67,082.09-13,129.89

Finding the Fourth Proportional to 44,728.32, 67,082.09 and 13,129.89

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Solution

The fourth proportional to 44,728.32, 67,082.09 and 13,129.89 is: 19,691.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,728.32 : 67,082.09 = 13,129.89 : x
  2. Step 2: Convert to fraction form
    44,728.32/67,082.09 = 13,129.89/x
  3. Step 3: Cross multiply
    44,728.32x = 67,082.09 × 13,129.89
  4. Step 4: Simplify right side
    44,728.32x = 880,780,462.67
  5. Step 5: Solve for x
    x = 880,780,462.67/44,728.32
  6. Step 6: Final answer
    x = 19,691.79

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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.