Home / 71,561.06-107,344.50-18,254.42

Finding the Fourth Proportional to 71,561.06, 107,344.50 and 18,254.42

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Solution

The fourth proportional to 71,561.06, 107,344.50 and 18,254.42 is: 27,382.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,561.06 : 107,344.50 = 18,254.42 : x
  2. Step 2: Convert to fraction form
    71,561.06/107,344.50 = 18,254.42/x
  3. Step 3: Cross multiply
    71,561.06x = 107,344.50 × 18,254.42
  4. Step 4: Simplify right side
    71,561.06x = 1,959,511,587.69
  5. Step 5: Solve for x
    x = 1,959,511,587.69/71,561.06
  6. Step 6: Final answer
    x = 27,382.37

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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.