Home / 51,607.20-77,410.92-14,167.78

Finding the Fourth Proportional to 51,607.20, 77,410.92 and 14,167.78

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Solution

The fourth proportional to 51,607.20, 77,410.92 and 14,167.78 is: 21,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.20 : 77,410.92 = 14,167.78 : x
  2. Step 2: Convert to fraction form
    51,607.20/77,410.92 = 14,167.78/x
  3. Step 3: Cross multiply
    51,607.20x = 77,410.92 × 14,167.78
  4. Step 4: Simplify right side
    51,607.20x = 1,096,741,059.66
  5. Step 5: Solve for x
    x = 1,096,741,059.66/51,607.20
  6. Step 6: Final answer
    x = 21,251.71

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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.