Home / 48,819.60-73,241.40-13,758.80

Finding the Fourth Proportional to 48,819.60, 73,241.40 and 13,758.80

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Solution

The fourth proportional to 48,819.60, 73,241.40 and 13,758.80 is: 20,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.60 : 73,241.40 = 13,758.80 : x
  2. Step 2: Convert to fraction form
    48,819.60/73,241.40 = 13,758.80/x
  3. Step 3: Cross multiply
    48,819.60x = 73,241.40 × 13,758.80
  4. Step 4: Simplify right side
    48,819.60x = 1,007,713,774.32
  5. Step 5: Solve for x
    x = 1,007,713,774.32/48,819.60
  6. Step 6: Final answer
    x = 20,641.58

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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.