Home / 71,344.71-107,017.10-18,036.85

Finding the Fourth Proportional to 71,344.71, 107,017.10 and 18,036.85

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Solution

The fourth proportional to 71,344.71, 107,017.10 and 18,036.85 is: 27,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.71 : 107,017.10 = 18,036.85 : x
  2. Step 2: Convert to fraction form
    71,344.71/107,017.10 = 18,036.85/x
  3. Step 3: Cross multiply
    71,344.71x = 107,017.10 × 18,036.85
  4. Step 4: Simplify right side
    71,344.71x = 1,930,251,380.14
  5. Step 5: Solve for x
    x = 1,930,251,380.14/71,344.71
  6. Step 6: Final answer
    x = 27,055.28

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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.