Home / 40,245.17-60,343.13-19,191.65

Finding the Fourth Proportional to 40,245.17, 60,343.13 and 19,191.65

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Solution

The fourth proportional to 40,245.17, 60,343.13 and 19,191.65 is: 28,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245.17 : 60,343.13 = 19,191.65 : x
  2. Step 2: Convert to fraction form
    40,245.17/60,343.13 = 19,191.65/x
  3. Step 3: Cross multiply
    40,245.17x = 60,343.13 × 19,191.65
  4. Step 4: Simplify right side
    40,245.17x = 1,158,083,977.13
  5. Step 5: Solve for x
    x = 1,158,083,977.13/40,245.17
  6. Step 6: Final answer
    x = 28,775.73

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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.