Home / 48,373.28-72,546.18-18,784.80

Finding the Fourth Proportional to 48,373.28, 72,546.18 and 18,784.80

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Solution

The fourth proportional to 48,373.28, 72,546.18 and 18,784.80 is: 28,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.28 : 72,546.18 = 18,784.80 : x
  2. Step 2: Convert to fraction form
    48,373.28/72,546.18 = 18,784.80/x
  3. Step 3: Cross multiply
    48,373.28x = 72,546.18 × 18,784.80
  4. Step 4: Simplify right side
    48,373.28x = 1,362,765,482.06
  5. Step 5: Solve for x
    x = 1,362,765,482.06/48,373.28
  6. Step 6: Final answer
    x = 28,171.86

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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.