Home / 31,262.38-43,146.19-17,830.55

Finding the Fourth Proportional to 31,262.38, 43,146.19 and 17,830.55

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Solution

The fourth proportional to 31,262.38, 43,146.19 and 17,830.55 is: 24,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.38 : 43,146.19 = 17,830.55 : x
  2. Step 2: Convert to fraction form
    31,262.38/43,146.19 = 17,830.55/x
  3. Step 3: Cross multiply
    31,262.38x = 43,146.19 × 17,830.55
  4. Step 4: Simplify right side
    31,262.38x = 769,320,459.90
  5. Step 5: Solve for x
    x = 769,320,459.90/31,262.38
  6. Step 6: Final answer
    x = 24,608.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.