Home / 47,587.86-71,382.29-19,500.71

Finding the Fourth Proportional to 47,587.86, 71,382.29 and 19,500.71

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Solution

The fourth proportional to 47,587.86, 71,382.29 and 19,500.71 is: 29,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.86 : 71,382.29 = 19,500.71 : x
  2. Step 2: Convert to fraction form
    47,587.86/71,382.29 = 19,500.71/x
  3. Step 3: Cross multiply
    47,587.86x = 71,382.29 × 19,500.71
  4. Step 4: Simplify right side
    47,587.86x = 1,392,004,882.01
  5. Step 5: Solve for x
    x = 1,392,004,882.01/47,587.86
  6. Step 6: Final answer
    x = 29,251.26

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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.