Home / 36,166.60-54,249.90-15,387.40

Finding the Fourth Proportional to 36,166.60, 54,249.90 and 15,387.40

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Solution

The fourth proportional to 36,166.60, 54,249.90 and 15,387.40 is: 23,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,166.60 : 54,249.90 = 15,387.40 : x
  2. Step 2: Convert to fraction form
    36,166.60/54,249.90 = 15,387.40/x
  3. Step 3: Cross multiply
    36,166.60x = 54,249.90 × 15,387.40
  4. Step 4: Simplify right side
    36,166.60x = 834,764,911.26
  5. Step 5: Solve for x
    x = 834,764,911.26/36,166.60
  6. Step 6: Final answer
    x = 23,081.10

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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.