Home / 39,046.40-58,569.60-17,986.40

Finding the Fourth Proportional to 39,046.40, 58,569.60 and 17,986.40

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Solution

The fourth proportional to 39,046.40, 58,569.60 and 17,986.40 is: 26,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.40 : 58,569.60 = 17,986.40 : x
  2. Step 2: Convert to fraction form
    39,046.40/58,569.60 = 17,986.40/x
  3. Step 3: Cross multiply
    39,046.40x = 58,569.60 × 17,986.40
  4. Step 4: Simplify right side
    39,046.40x = 1,053,456,253.44
  5. Step 5: Solve for x
    x = 1,053,456,253.44/39,046.40
  6. Step 6: Final answer
    x = 26,979.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.