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Finding the Fourth Proportional to 40,458.60, 60,672.51 and 12,370.10

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Solution

The fourth proportional to 40,458.60, 60,672.51 and 12,370.10 is: 18,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,458.60 : 60,672.51 = 12,370.10 : x
  2. Step 2: Convert to fraction form
    40,458.60/60,672.51 = 12,370.10/x
  3. Step 3: Cross multiply
    40,458.60x = 60,672.51 × 12,370.10
  4. Step 4: Simplify right side
    40,458.60x = 750,524,712.59
  5. Step 5: Solve for x
    x = 750,524,712.59/40,458.60
  6. Step 6: Final answer
    x = 18,550.44

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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.