Home / 39,384.82-54,354.28-22,394.40

Finding the Fourth Proportional to 39,384.82, 54,354.28 and 22,394.40

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Solution

The fourth proportional to 39,384.82, 54,354.28 and 22,394.40 is: 30,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.82 : 54,354.28 = 22,394.40 : x
  2. Step 2: Convert to fraction form
    39,384.82/54,354.28 = 22,394.40/x
  3. Step 3: Cross multiply
    39,384.82x = 54,354.28 × 22,394.40
  4. Step 4: Simplify right side
    39,384.82x = 1,217,231,488.03
  5. Step 5: Solve for x
    x = 1,217,231,488.03/39,384.82
  6. Step 6: Final answer
    x = 30,906.11

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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.