Home / 71,426.22-107,138.12-17,391.48

Finding the Fourth Proportional to 71,426.22, 107,138.12 and 17,391.48

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Solution

The fourth proportional to 71,426.22, 107,138.12 and 17,391.48 is: 26,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,426.22 : 107,138.12 = 17,391.48 : x
  2. Step 2: Convert to fraction form
    71,426.22/107,138.12 = 17,391.48/x
  3. Step 3: Cross multiply
    71,426.22x = 107,138.12 × 17,391.48
  4. Step 4: Simplify right side
    71,426.22x = 1,863,290,471.22
  5. Step 5: Solve for x
    x = 1,863,290,471.22/71,426.22
  6. Step 6: Final answer
    x = 26,086.93

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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.