Home / 47,811.20-71,731.20-25,635.20

Finding the Fourth Proportional to 47,811.20, 71,731.20 and 25,635.20

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Solution

The fourth proportional to 47,811.20, 71,731.20 and 25,635.20 is: 38,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.20 : 71,731.20 = 25,635.20 : x
  2. Step 2: Convert to fraction form
    47,811.20/71,731.20 = 25,635.20/x
  3. Step 3: Cross multiply
    47,811.20x = 71,731.20 × 25,635.20
  4. Step 4: Simplify right side
    47,811.20x = 1,838,843,658.24
  5. Step 5: Solve for x
    x = 1,838,843,658.24/47,811.20
  6. Step 6: Final answer
    x = 38,460.52

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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.