Home / 40,402.22-60,612.51-12,324.79

Finding the Fourth Proportional to 40,402.22, 60,612.51 and 12,324.79

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Solution

The fourth proportional to 40,402.22, 60,612.51 and 12,324.79 is: 18,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.22 : 60,612.51 = 12,324.79 : x
  2. Step 2: Convert to fraction form
    40,402.22/60,612.51 = 12,324.79/x
  3. Step 3: Cross multiply
    40,402.22x = 60,612.51 × 12,324.79
  4. Step 4: Simplify right side
    40,402.22x = 747,036,154.06
  5. Step 5: Solve for x
    x = 747,036,154.06/40,402.22
  6. Step 6: Final answer
    x = 18,489.98

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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.