Home / 40,262.21-60,381.02-19,191.15

Finding the Fourth Proportional to 40,262.21, 60,381.02 and 19,191.15

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Solution

The fourth proportional to 40,262.21, 60,381.02 and 19,191.15 is: 28,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,262.21 : 60,381.02 = 19,191.15 : x
  2. Step 2: Convert to fraction form
    40,262.21/60,381.02 = 19,191.15/x
  3. Step 3: Cross multiply
    40,262.21x = 60,381.02 × 19,191.15
  4. Step 4: Simplify right side
    40,262.21x = 1,158,781,375.80
  5. Step 5: Solve for x
    x = 1,158,781,375.80/40,262.21
  6. Step 6: Final answer
    x = 28,780.87

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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.