Home / 36,101.10-54,151.65-15,321.90

Finding the Fourth Proportional to 36,101.10, 54,151.65 and 15,321.90

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Solution

The fourth proportional to 36,101.10, 54,151.65 and 15,321.90 is: 22,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.10 : 54,151.65 = 15,321.90 : x
  2. Step 2: Convert to fraction form
    36,101.10/54,151.65 = 15,321.90/x
  3. Step 3: Cross multiply
    36,101.10x = 54,151.65 × 15,321.90
  4. Step 4: Simplify right side
    36,101.10x = 829,706,166.14
  5. Step 5: Solve for x
    x = 829,706,166.14/36,101.10
  6. Step 6: Final answer
    x = 22,982.85

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1.5x scale

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.