Home / 39,417.00-54,397.20-22,195.28

Finding the Fourth Proportional to 39,417.00, 54,397.20 and 22,195.28

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Solution

The fourth proportional to 39,417.00, 54,397.20 and 22,195.28 is: 30,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.00 : 54,397.20 = 22,195.28 : x
  2. Step 2: Convert to fraction form
    39,417.00/54,397.20 = 22,195.28/x
  3. Step 3: Cross multiply
    39,417.00x = 54,397.20 × 22,195.28
  4. Step 4: Simplify right side
    39,417.00x = 1,207,361,304.44
  5. Step 5: Solve for x
    x = 1,207,361,304.44/39,417.00
  6. Step 6: Final answer
    x = 30,630.47

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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.