Home / 48,373.29-72,546.15-18,784.80

Finding the Fourth Proportional to 48,373.29, 72,546.15 and 18,784.80

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Solution

The fourth proportional to 48,373.29, 72,546.15 and 18,784.80 is: 28,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.29 : 72,546.15 = 18,784.80 : x
  2. Step 2: Convert to fraction form
    48,373.29/72,546.15 = 18,784.80/x
  3. Step 3: Cross multiply
    48,373.29x = 72,546.15 × 18,784.80
  4. Step 4: Simplify right side
    48,373.29x = 1,362,764,918.52
  5. Step 5: Solve for x
    x = 1,362,764,918.52/48,373.29
  6. Step 6: Final answer
    x = 28,171.85

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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.