Home / 39,773.25-54,885.68-21,868.13

Finding the Fourth Proportional to 39,773.25, 54,885.68 and 21,868.13

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Solution

The fourth proportional to 39,773.25, 54,885.68 and 21,868.13 is: 30,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,773.25 : 54,885.68 = 21,868.13 : x
  2. Step 2: Convert to fraction form
    39,773.25/54,885.68 = 21,868.13/x
  3. Step 3: Cross multiply
    39,773.25x = 54,885.68 × 21,868.13
  4. Step 4: Simplify right side
    39,773.25x = 1,200,246,801.61
  5. Step 5: Solve for x
    x = 1,200,246,801.61/39,773.25
  6. Step 6: Final answer
    x = 30,177.24

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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.