Home / 39,165.39-54,050.90-22,169.70

Finding the Fourth Proportional to 39,165.39, 54,050.90 and 22,169.70

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Solution

The fourth proportional to 39,165.39, 54,050.90 and 22,169.70 is: 30,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.39 : 54,050.90 = 22,169.70 : x
  2. Step 2: Convert to fraction form
    39,165.39/54,050.90 = 22,169.70/x
  3. Step 3: Cross multiply
    39,165.39x = 54,050.90 × 22,169.70
  4. Step 4: Simplify right side
    39,165.39x = 1,198,292,126.88
  5. Step 5: Solve for x
    x = 1,198,292,126.88/39,165.39
  6. Step 6: Final answer
    x = 30,595.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.