Home / 36,487.89-54,731.84-28,180.02

Finding the Fourth Proportional to 36,487.89, 54,731.84 and 28,180.02

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Solution

The fourth proportional to 36,487.89, 54,731.84 and 28,180.02 is: 42,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.89 : 54,731.84 = 28,180.02 : x
  2. Step 2: Convert to fraction form
    36,487.89/54,731.84 = 28,180.02/x
  3. Step 3: Cross multiply
    36,487.89x = 54,731.84 × 28,180.02
  4. Step 4: Simplify right side
    36,487.89x = 1,542,344,410.18
  5. Step 5: Solve for x
    x = 1,542,344,410.18/36,487.89
  6. Step 6: Final answer
    x = 42,270.04

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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.