Home / 47,149.73-70,726.80-15,562.55

Finding the Fourth Proportional to 47,149.73, 70,726.80 and 15,562.55

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Solution

The fourth proportional to 47,149.73, 70,726.80 and 15,562.55 is: 23,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,149.73 : 70,726.80 = 15,562.55 : x
  2. Step 2: Convert to fraction form
    47,149.73/70,726.80 = 15,562.55/x
  3. Step 3: Cross multiply
    47,149.73x = 70,726.80 × 15,562.55
  4. Step 4: Simplify right side
    47,149.73x = 1,100,689,198.68
  5. Step 5: Solve for x
    x = 1,100,689,198.68/47,149.73
  6. Step 6: Final answer
    x = 23,344.55

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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.