Home / 47,540.70-71,305.56-12,483.10

Finding the Fourth Proportional to 47,540.70, 71,305.56 and 12,483.10

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Solution

The fourth proportional to 47,540.70, 71,305.56 and 12,483.10 is: 18,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.70 : 71,305.56 = 12,483.10 : x
  2. Step 2: Convert to fraction form
    47,540.70/71,305.56 = 12,483.10/x
  3. Step 3: Cross multiply
    47,540.70x = 71,305.56 × 12,483.10
  4. Step 4: Simplify right side
    47,540.70x = 890,114,436.04
  5. Step 5: Solve for x
    x = 890,114,436.04/47,540.70
  6. Step 6: Final answer
    x = 18,723.21

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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.