Home / 48,449.06-72,659.55-18,860.30

Finding the Fourth Proportional to 48,449.06, 72,659.55 and 18,860.30

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Solution

The fourth proportional to 48,449.06, 72,659.55 and 18,860.30 is: 28,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.06 : 72,659.55 = 18,860.30 : x
  2. Step 2: Convert to fraction form
    48,449.06/72,659.55 = 18,860.30/x
  3. Step 3: Cross multiply
    48,449.06x = 72,659.55 × 18,860.30
  4. Step 4: Simplify right side
    48,449.06x = 1,370,380,910.87
  5. Step 5: Solve for x
    x = 1,370,380,910.87/48,449.06
  6. Step 6: Final answer
    x = 28,284.98

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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.