Home / 40,234.43-60,352.10-12,154.72

Finding the Fourth Proportional to 40,234.43, 60,352.10 and 12,154.72

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Solution

The fourth proportional to 40,234.43, 60,352.10 and 12,154.72 is: 18,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.43 : 60,352.10 = 12,154.72 : x
  2. Step 2: Convert to fraction form
    40,234.43/60,352.10 = 12,154.72/x
  3. Step 3: Cross multiply
    40,234.43x = 60,352.10 × 12,154.72
  4. Step 4: Simplify right side
    40,234.43x = 733,562,756.42
  5. Step 5: Solve for x
    x = 733,562,756.42/40,234.43
  6. Step 6: Final answer
    x = 18,232.21

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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.