Home / 40,863.80-61,279.84-15,900.52

Finding the Fourth Proportional to 40,863.80, 61,279.84 and 15,900.52

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Solution

The fourth proportional to 40,863.80, 61,279.84 and 15,900.52 is: 23,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,863.80 : 61,279.84 = 15,900.52 : x
  2. Step 2: Convert to fraction form
    40,863.80/61,279.84 = 15,900.52/x
  3. Step 3: Cross multiply
    40,863.80x = 61,279.84 × 15,900.52
  4. Step 4: Simplify right side
    40,863.80x = 974,381,321.52
  5. Step 5: Solve for x
    x = 974,381,321.52/40,863.80
  6. Step 6: Final answer
    x = 23,844.61

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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.