Home / 47,712.80-71,511.60-24,327.20

Finding the Fourth Proportional to 47,712.80, 71,511.60 and 24,327.20

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Solution

The fourth proportional to 47,712.80, 71,511.60 and 24,327.20 is: 36,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.80 : 71,511.60 = 24,327.20 : x
  2. Step 2: Convert to fraction form
    47,712.80/71,511.60 = 24,327.20/x
  3. Step 3: Cross multiply
    47,712.80x = 71,511.60 × 24,327.20
  4. Step 4: Simplify right side
    47,712.80x = 1,739,676,995.52
  5. Step 5: Solve for x
    x = 1,739,676,995.52/47,712.80
  6. Step 6: Final answer
    x = 36,461.43

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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.