Home / 48,559.89-72,839.85-13,499.85

Finding the Fourth Proportional to 48,559.89, 72,839.85 and 13,499.85

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Solution

The fourth proportional to 48,559.89, 72,839.85 and 13,499.85 is: 20,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.89 : 72,839.85 = 13,499.85 : x
  2. Step 2: Convert to fraction form
    48,559.89/72,839.85 = 13,499.85/x
  3. Step 3: Cross multiply
    48,559.89x = 72,839.85 × 13,499.85
  4. Step 4: Simplify right side
    48,559.89x = 983,327,049.02
  5. Step 5: Solve for x
    x = 983,327,049.02/48,559.89
  6. Step 6: Final answer
    x = 20,249.78

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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.