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Finding the Fourth Proportional to 48,000.10, 72,000.15 and 36,076.90

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Solution

The fourth proportional to 48,000.10, 72,000.15 and 36,076.90 is: 54,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.10 : 72,000.15 = 36,076.90 : x
  2. Step 2: Convert to fraction form
    48,000.10/72,000.15 = 36,076.90/x
  3. Step 3: Cross multiply
    48,000.10x = 72,000.15 × 36,076.90
  4. Step 4: Simplify right side
    48,000.10x = 2,597,542,211.54
  5. Step 5: Solve for x
    x = 2,597,542,211.54/48,000.10
  6. Step 6: Final answer
    x = 54,115.35

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1.5x scale

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.