Home / 39,347.62-54,293.57-22,116.57

Finding the Fourth Proportional to 39,347.62, 54,293.57 and 22,116.57

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Solution

The fourth proportional to 39,347.62, 54,293.57 and 22,116.57 is: 30,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.62 : 54,293.57 = 22,116.57 : x
  2. Step 2: Convert to fraction form
    39,347.62/54,293.57 = 22,116.57/x
  3. Step 3: Cross multiply
    39,347.62x = 54,293.57 × 22,116.57
  4. Step 4: Simplify right side
    39,347.62x = 1,200,787,400.71
  5. Step 5: Solve for x
    x = 1,200,787,400.71/39,347.62
  6. Step 6: Final answer
    x = 30,517.41

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Find fourth proportional to 39,348.62, 54,294.95 and 22,117.57
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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.