Home / 48,701.68-73,064.40-13,640.80

Finding the Fourth Proportional to 48,701.68, 73,064.40 and 13,640.80

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Solution

The fourth proportional to 48,701.68, 73,064.40 and 13,640.80 is: 20,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,701.68 : 73,064.40 = 13,640.80 : x
  2. Step 2: Convert to fraction form
    48,701.68/73,064.40 = 13,640.80/x
  3. Step 3: Cross multiply
    48,701.68x = 73,064.40 × 13,640.80
  4. Step 4: Simplify right side
    48,701.68x = 996,656,867.52
  5. Step 5: Solve for x
    x = 996,656,867.52/48,701.68
  6. Step 6: Final answer
    x = 20,464.53

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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.