Home / 39,532.40-54,554.27-21,627.19

Finding the Fourth Proportional to 39,532.40, 54,554.27 and 21,627.19

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Solution

The fourth proportional to 39,532.40, 54,554.27 and 21,627.19 is: 29,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,532.40 : 54,554.27 = 21,627.19 : x
  2. Step 2: Convert to fraction form
    39,532.40/54,554.27 = 21,627.19/x
  3. Step 3: Cross multiply
    39,532.40x = 54,554.27 × 21,627.19
  4. Step 4: Simplify right side
    39,532.40x = 1,179,855,562.60
  5. Step 5: Solve for x
    x = 1,179,855,562.60/39,532.40
  6. Step 6: Final answer
    x = 29,845.28

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Half scale
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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.