Home / 71,526.53-107,277.65-18,941.33

Finding the Fourth Proportional to 71,526.53, 107,277.65 and 18,941.33

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Solution

The fourth proportional to 71,526.53, 107,277.65 and 18,941.33 is: 28,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.53 : 107,277.65 = 18,941.33 : x
  2. Step 2: Convert to fraction form
    71,526.53/107,277.65 = 18,941.33/x
  3. Step 3: Cross multiply
    71,526.53x = 107,277.65 × 18,941.33
  4. Step 4: Simplify right side
    71,526.53x = 2,031,981,614.79
  5. Step 5: Solve for x
    x = 2,031,981,614.79/71,526.53
  6. Step 6: Final answer
    x = 28,408.78

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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.