Home / 39,404.07-54,372.20-22,409.19

Finding the Fourth Proportional to 39,404.07, 54,372.20 and 22,409.19

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Solution

The fourth proportional to 39,404.07, 54,372.20 and 22,409.19 is: 30,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.07 : 54,372.20 = 22,409.19 : x
  2. Step 2: Convert to fraction form
    39,404.07/54,372.20 = 22,409.19/x
  3. Step 3: Cross multiply
    39,404.07x = 54,372.20 × 22,409.19
  4. Step 4: Simplify right side
    39,404.07x = 1,218,436,848.47
  5. Step 5: Solve for x
    x = 1,218,436,848.47/39,404.07
  6. Step 6: Final answer
    x = 30,921.60

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Double scale
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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.