Home / 40,287.43-60,339.12-19,242.29

Finding the Fourth Proportional to 40,287.43, 60,339.12 and 19,242.29

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Solution

The fourth proportional to 40,287.43, 60,339.12 and 19,242.29 is: 28,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.43 : 60,339.12 = 19,242.29 : x
  2. Step 2: Convert to fraction form
    40,287.43/60,339.12 = 19,242.29/x
  3. Step 3: Cross multiply
    40,287.43x = 60,339.12 × 19,242.29
  4. Step 4: Simplify right side
    40,287.43x = 1,161,062,845.38
  5. Step 5: Solve for x
    x = 1,161,062,845.38/40,287.43
  6. Step 6: Final answer
    x = 28,819.48

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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.