Home / 40,098.65-60,120.63-20,339.10

Finding the Fourth Proportional to 40,098.65, 60,120.63 and 20,339.10

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Solution

The fourth proportional to 40,098.65, 60,120.63 and 20,339.10 is: 30,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098.65 : 60,120.63 = 20,339.10 : x
  2. Step 2: Convert to fraction form
    40,098.65/60,120.63 = 20,339.10/x
  3. Step 3: Cross multiply
    40,098.65x = 60,120.63 × 20,339.10
  4. Step 4: Simplify right side
    40,098.65x = 1,222,799,505.63
  5. Step 5: Solve for x
    x = 1,222,799,505.63/40,098.65
  6. Step 6: Final answer
    x = 30,494.78

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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.