Home / 39,394.59-54,365.97-22,401.69

Finding the Fourth Proportional to 39,394.59, 54,365.97 and 22,401.69

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Solution

The fourth proportional to 39,394.59, 54,365.97 and 22,401.69 is: 30,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394.59 : 54,365.97 = 22,401.69 : x
  2. Step 2: Convert to fraction form
    39,394.59/54,365.97 = 22,401.69/x
  3. Step 3: Cross multiply
    39,394.59x = 54,365.97 × 22,401.69
  4. Step 4: Simplify right side
    39,394.59x = 1,217,889,606.49
  5. Step 5: Solve for x
    x = 1,217,889,606.49/39,394.59
  6. Step 6: Final answer
    x = 30,915.15

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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.