Home / 40,279.80-60,411.06-12,562.68

Finding the Fourth Proportional to 40,279.80, 60,411.06 and 12,562.68

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Solution

The fourth proportional to 40,279.80, 60,411.06 and 12,562.68 is: 18,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.80 : 60,411.06 = 12,562.68 : x
  2. Step 2: Convert to fraction form
    40,279.80/60,411.06 = 12,562.68/x
  3. Step 3: Cross multiply
    40,279.80x = 60,411.06 × 12,562.68
  4. Step 4: Simplify right side
    40,279.80x = 758,924,815.24
  5. Step 5: Solve for x
    x = 758,924,815.24/40,279.80
  6. Step 6: Final answer
    x = 18,841.33

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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.