Home / 47,498.98-71,272.78-19,439.78

Finding the Fourth Proportional to 47,498.98, 71,272.78 and 19,439.78

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Solution

The fourth proportional to 47,498.98, 71,272.78 and 19,439.78 is: 29,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498.98 : 71,272.78 = 19,439.78 : x
  2. Step 2: Convert to fraction form
    47,498.98/71,272.78 = 19,439.78/x
  3. Step 3: Cross multiply
    47,498.98x = 71,272.78 × 19,439.78
  4. Step 4: Simplify right side
    47,498.98x = 1,385,527,163.19
  5. Step 5: Solve for x
    x = 1,385,527,163.19/47,498.98
  6. Step 6: Final answer
    x = 29,169.62

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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.