Home / 71,344.85-107,017.27-18,754.25

Finding the Fourth Proportional to 71,344.85, 107,017.27 and 18,754.25

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Solution

The fourth proportional to 71,344.85, 107,017.27 and 18,754.25 is: 28,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.85 : 107,017.27 = 18,754.25 : x
  2. Step 2: Convert to fraction form
    71,344.85/107,017.27 = 18,754.25/x
  3. Step 3: Cross multiply
    71,344.85x = 107,017.27 × 18,754.25
  4. Step 4: Simplify right side
    71,344.85x = 2,007,028,053.93
  5. Step 5: Solve for x
    x = 2,007,028,053.93/71,344.85
  6. Step 6: Final answer
    x = 28,131.37

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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.