Home / 48,299.85-72,441.56-12,761.57

Finding the Fourth Proportional to 48,299.85, 72,441.56 and 12,761.57

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Solution

The fourth proportional to 48,299.85, 72,441.56 and 12,761.57 is: 19,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.85 : 72,441.56 = 12,761.57 : x
  2. Step 2: Convert to fraction form
    48,299.85/72,441.56 = 12,761.57/x
  3. Step 3: Cross multiply
    48,299.85x = 72,441.56 × 12,761.57
  4. Step 4: Simplify right side
    48,299.85x = 924,468,251.86
  5. Step 5: Solve for x
    x = 924,468,251.86/48,299.85
  6. Step 6: Final answer
    x = 19,140.19

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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.