Home / 40,799.91-61,120.08-28,147.71

Finding the Fourth Proportional to 40,799.91, 61,120.08 and 28,147.71

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Solution

The fourth proportional to 40,799.91, 61,120.08 and 28,147.71 is: 42,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.91 : 61,120.08 = 28,147.71 : x
  2. Step 2: Convert to fraction form
    40,799.91/61,120.08 = 28,147.71/x
  3. Step 3: Cross multiply
    40,799.91x = 61,120.08 × 28,147.71
  4. Step 4: Simplify right side
    40,799.91x = 1,720,390,287.02
  5. Step 5: Solve for x
    x = 1,720,390,287.02/40,799.91
  6. Step 6: Final answer
    x = 42,166.52

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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.