Home / 39,436.28-54,422.19-25,289.18

Finding the Fourth Proportional to 39,436.28, 54,422.19 and 25,289.18

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Solution

The fourth proportional to 39,436.28, 54,422.19 and 25,289.18 is: 34,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.28 : 54,422.19 = 25,289.18 : x
  2. Step 2: Convert to fraction form
    39,436.28/54,422.19 = 25,289.18/x
  3. Step 3: Cross multiply
    39,436.28x = 54,422.19 × 25,289.18
  4. Step 4: Simplify right side
    39,436.28x = 1,376,292,558.90
  5. Step 5: Solve for x
    x = 1,376,292,558.90/39,436.28
  6. Step 6: Final answer
    x = 34,899.15

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Half scale
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Double scale
Find fourth proportional to 39,437.28, 54,423.57 and 25,290.18
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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.