Home / 36,113.12-54,132.78-13,917.80

Finding the Fourth Proportional to 36,113.12, 54,132.78 and 13,917.80

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Solution

The fourth proportional to 36,113.12, 54,132.78 and 13,917.80 is: 20,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.12 : 54,132.78 = 13,917.80 : x
  2. Step 2: Convert to fraction form
    36,113.12/54,132.78 = 13,917.80/x
  3. Step 3: Cross multiply
    36,113.12x = 54,132.78 × 13,917.80
  4. Step 4: Simplify right side
    36,113.12x = 753,409,205.48
  5. Step 5: Solve for x
    x = 753,409,205.48/36,113.12
  6. Step 6: Final answer
    x = 20,862.48

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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.