Home / 48,849.60-73,286.40-13,788.80

Finding the Fourth Proportional to 48,849.60, 73,286.40 and 13,788.80

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Solution

The fourth proportional to 48,849.60, 73,286.40 and 13,788.80 is: 20,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,849.60 : 73,286.40 = 13,788.80 : x
  2. Step 2: Convert to fraction form
    48,849.60/73,286.40 = 13,788.80/x
  3. Step 3: Cross multiply
    48,849.60x = 73,286.40 × 13,788.80
  4. Step 4: Simplify right side
    48,849.60x = 1,010,531,512.32
  5. Step 5: Solve for x
    x = 1,010,531,512.32/48,849.60
  6. Step 6: Final answer
    x = 20,686.59

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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.