Home / 48,161.32-72,279.42-31,516.72

Finding the Fourth Proportional to 48,161.32, 72,279.42 and 31,516.72

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Solution

The fourth proportional to 48,161.32, 72,279.42 and 31,516.72 is: 47,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161.32 : 72,279.42 = 31,516.72 : x
  2. Step 2: Convert to fraction form
    48,161.32/72,279.42 = 31,516.72/x
  3. Step 3: Cross multiply
    48,161.32x = 72,279.42 × 31,516.72
  4. Step 4: Simplify right side
    48,161.32x = 2,278,010,241.90
  5. Step 5: Solve for x
    x = 2,278,010,241.90/48,161.32
  6. Step 6: Final answer
    x = 47,299.58

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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.