Home / 45,034.30-67,539.53-13,436.86

Finding the Fourth Proportional to 45,034.30, 67,539.53 and 13,436.86

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Solution

The fourth proportional to 45,034.30, 67,539.53 and 13,436.86 is: 20,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,034.30 : 67,539.53 = 13,436.86 : x
  2. Step 2: Convert to fraction form
    45,034.30/67,539.53 = 13,436.86/x
  3. Step 3: Cross multiply
    45,034.30x = 67,539.53 × 13,436.86
  4. Step 4: Simplify right side
    45,034.30x = 907,519,209.08
  5. Step 5: Solve for x
    x = 907,519,209.08/45,034.30
  6. Step 6: Final answer
    x = 20,151.73

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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.