Home / 48,380.31-72,596.88-18,799.29

Finding the Fourth Proportional to 48,380.31, 72,596.88 and 18,799.29

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Solution

The fourth proportional to 48,380.31, 72,596.88 and 18,799.29 is: 28,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.31 : 72,596.88 = 18,799.29 : x
  2. Step 2: Convert to fraction form
    48,380.31/72,596.88 = 18,799.29/x
  3. Step 3: Cross multiply
    48,380.31x = 72,596.88 × 18,799.29
  4. Step 4: Simplify right side
    48,380.31x = 1,364,769,800.22
  5. Step 5: Solve for x
    x = 1,364,769,800.22/48,380.31
  6. Step 6: Final answer
    x = 28,209.20

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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.