Home / 36,650.04-54,974.10-8,947.80

Finding the Fourth Proportional to 36,650.04, 54,974.10 and 8,947.80

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Solution

The fourth proportional to 36,650.04, 54,974.10 and 8,947.80 is: 13,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,650.04 : 54,974.10 = 8,947.80 : x
  2. Step 2: Convert to fraction form
    36,650.04/54,974.10 = 8,947.80/x
  3. Step 3: Cross multiply
    36,650.04x = 54,974.10 × 8,947.80
  4. Step 4: Simplify right side
    36,650.04x = 491,897,251.98
  5. Step 5: Solve for x
    x = 491,897,251.98/36,650.04
  6. Step 6: Final answer
    x = 13,421.47

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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.