Home / 40,423.90-60,644.94-12,341.61

Finding the Fourth Proportional to 40,423.90, 60,644.94 and 12,341.61

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Solution

The fourth proportional to 40,423.90, 60,644.94 and 12,341.61 is: 18,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.90 : 60,644.94 = 12,341.61 : x
  2. Step 2: Convert to fraction form
    40,423.90/60,644.94 = 12,341.61/x
  3. Step 3: Cross multiply
    40,423.90x = 60,644.94 × 12,341.61
  4. Step 4: Simplify right side
    40,423.90x = 748,456,197.95
  5. Step 5: Solve for x
    x = 748,456,197.95/40,423.90
  6. Step 6: Final answer
    x = 18,515.19

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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.