Home / 51,503.68-71,069.20-28,839.52

Finding the Fourth Proportional to 51,503.68, 71,069.20 and 28,839.52

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Solution

The fourth proportional to 51,503.68, 71,069.20 and 28,839.52 is: 39,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.68 : 71,069.20 = 28,839.52 : x
  2. Step 2: Convert to fraction form
    51,503.68/71,069.20 = 28,839.52/x
  3. Step 3: Cross multiply
    51,503.68x = 71,069.20 × 28,839.52
  4. Step 4: Simplify right side
    51,503.68x = 2,049,601,614.78
  5. Step 5: Solve for x
    x = 2,049,601,614.78/51,503.68
  6. Step 6: Final answer
    x = 39,795.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.