Home / 71,350.50-107,017.22-18,764.08

Finding the Fourth Proportional to 71,350.50, 107,017.22 and 18,764.08

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Solution

The fourth proportional to 71,350.50, 107,017.22 and 18,764.08 is: 28,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,350.50 : 107,017.22 = 18,764.08 : x
  2. Step 2: Convert to fraction form
    71,350.50/107,017.22 = 18,764.08/x
  3. Step 3: Cross multiply
    71,350.50x = 107,017.22 × 18,764.08
  4. Step 4: Simplify right side
    71,350.50x = 2,008,079,677.46
  5. Step 5: Solve for x
    x = 2,008,079,677.46/71,350.50
  6. Step 6: Final answer
    x = 28,143.88

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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.