Home / 47,778.03-71,679.20-28,073.16

Finding the Fourth Proportional to 47,778.03, 71,679.20 and 28,073.16

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Solution

The fourth proportional to 47,778.03, 71,679.20 and 28,073.16 is: 42,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.03 : 71,679.20 = 28,073.16 : x
  2. Step 2: Convert to fraction form
    47,778.03/71,679.20 = 28,073.16/x
  3. Step 3: Cross multiply
    47,778.03x = 71,679.20 × 28,073.16
  4. Step 4: Simplify right side
    47,778.03x = 2,012,261,509.91
  5. Step 5: Solve for x
    x = 2,012,261,509.91/47,778.03
  6. Step 6: Final answer
    x = 42,116.88

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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.