Home / 42,129.96-63,194.67-17,169.54

Finding the Fourth Proportional to 42,129.96, 63,194.67 and 17,169.54

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Solution

The fourth proportional to 42,129.96, 63,194.67 and 17,169.54 is: 25,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.96 : 63,194.67 = 17,169.54 : x
  2. Step 2: Convert to fraction form
    42,129.96/63,194.67 = 17,169.54/x
  3. Step 3: Cross multiply
    42,129.96x = 63,194.67 × 17,169.54
  4. Step 4: Simplify right side
    42,129.96x = 1,085,023,414.35
  5. Step 5: Solve for x
    x = 1,085,023,414.35/42,129.96
  6. Step 6: Final answer
    x = 25,754.20

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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.