Home / 39,261.85-54,169.36-22,265.21

Finding the Fourth Proportional to 39,261.85, 54,169.36 and 22,265.21

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Solution

The fourth proportional to 39,261.85, 54,169.36 and 22,265.21 is: 30,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,261.85 : 54,169.36 = 22,265.21 : x
  2. Step 2: Convert to fraction form
    39,261.85/54,169.36 = 22,265.21/x
  3. Step 3: Cross multiply
    39,261.85x = 54,169.36 × 22,265.21
  4. Step 4: Simplify right side
    39,261.85x = 1,206,092,255.73
  5. Step 5: Solve for x
    x = 1,206,092,255.73/39,261.85
  6. Step 6: Final answer
    x = 30,719.19

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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.