Home / 20,175.38-30,306.86-17,061.63

Finding the Fourth Proportional to 20,175.38, 30,306.86 and 17,061.63

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Solution

The fourth proportional to 20,175.38, 30,306.86 and 17,061.63 is: 25,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.38 : 30,306.86 = 17,061.63 : x
  2. Step 2: Convert to fraction form
    20,175.38/30,306.86 = 17,061.63/x
  3. Step 3: Cross multiply
    20,175.38x = 30,306.86 × 17,061.63
  4. Step 4: Simplify right side
    20,175.38x = 517,084,346.47
  5. Step 5: Solve for x
    x = 517,084,346.47/20,175.38
  6. Step 6: Final answer
    x = 25,629.48

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1.5x scale

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.