Home / 47,355.89-71,031.23-28,630.90

Finding the Fourth Proportional to 47,355.89, 71,031.23 and 28,630.90

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Solution

The fourth proportional to 47,355.89, 71,031.23 and 28,630.90 is: 42,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,355.89 : 71,031.23 = 28,630.90 : x
  2. Step 2: Convert to fraction form
    47,355.89/71,031.23 = 28,630.90/x
  3. Step 3: Cross multiply
    47,355.89x = 71,031.23 × 28,630.90
  4. Step 4: Simplify right side
    47,355.89x = 2,033,687,687.85
  5. Step 5: Solve for x
    x = 2,033,687,687.85/47,355.89
  6. Step 6: Final answer
    x = 42,944.77

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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.