Home / 39,298.27-54,232.68-21,394.48

Finding the Fourth Proportional to 39,298.27, 54,232.68 and 21,394.48

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Solution

The fourth proportional to 39,298.27, 54,232.68 and 21,394.48 is: 29,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.27 : 54,232.68 = 21,394.48 : x
  2. Step 2: Convert to fraction form
    39,298.27/54,232.68 = 21,394.48/x
  3. Step 3: Cross multiply
    39,298.27x = 54,232.68 × 21,394.48
  4. Step 4: Simplify right side
    39,298.27x = 1,160,279,987.61
  5. Step 5: Solve for x
    x = 1,160,279,987.61/39,298.27
  6. Step 6: Final answer
    x = 29,524.96

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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.