Home / 42,151.29-63,226.93-12,589.88

Finding the Fourth Proportional to 42,151.29, 63,226.93 and 12,589.88

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Solution

The fourth proportional to 42,151.29, 63,226.93 and 12,589.88 is: 18,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.29 : 63,226.93 = 12,589.88 : x
  2. Step 2: Convert to fraction form
    42,151.29/63,226.93 = 12,589.88/x
  3. Step 3: Cross multiply
    42,151.29x = 63,226.93 × 12,589.88
  4. Step 4: Simplify right side
    42,151.29x = 796,019,493.12
  5. Step 5: Solve for x
    x = 796,019,493.12/42,151.29
  6. Step 6: Final answer
    x = 18,884.82

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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.