Home / 42,314.06-63,471.09-11,149.31

Finding the Fourth Proportional to 42,314.06, 63,471.09 and 11,149.31

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Solution

The fourth proportional to 42,314.06, 63,471.09 and 11,149.31 is: 16,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.06 : 63,471.09 = 11,149.31 : x
  2. Step 2: Convert to fraction form
    42,314.06/63,471.09 = 11,149.31/x
  3. Step 3: Cross multiply
    42,314.06x = 63,471.09 × 11,149.31
  4. Step 4: Simplify right side
    42,314.06x = 707,659,058.94
  5. Step 5: Solve for x
    x = 707,659,058.94/42,314.06
  6. Step 6: Final answer
    x = 16,723.97

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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.