Home / 40,218.68-60,335.89-12,141.02

Finding the Fourth Proportional to 40,218.68, 60,335.89 and 12,141.02

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Solution

The fourth proportional to 40,218.68, 60,335.89 and 12,141.02 is: 18,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.68 : 60,335.89 = 12,141.02 : x
  2. Step 2: Convert to fraction form
    40,218.68/60,335.89 = 12,141.02/x
  3. Step 3: Cross multiply
    40,218.68x = 60,335.89 × 12,141.02
  4. Step 4: Simplify right side
    40,218.68x = 732,539,367.69
  5. Step 5: Solve for x
    x = 732,539,367.69/40,218.68
  6. Step 6: Final answer
    x = 18,213.91

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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.