Home / 39,220.81-54,129.33-23,305.27

Finding the Fourth Proportional to 39,220.81, 54,129.33 and 23,305.27

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Solution

The fourth proportional to 39,220.81, 54,129.33 and 23,305.27 is: 32,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.81 : 54,129.33 = 23,305.27 : x
  2. Step 2: Convert to fraction form
    39,220.81/54,129.33 = 23,305.27/x
  3. Step 3: Cross multiply
    39,220.81x = 54,129.33 × 23,305.27
  4. Step 4: Simplify right side
    39,220.81x = 1,261,498,650.57
  5. Step 5: Solve for x
    x = 1,261,498,650.57/39,220.81
  6. Step 6: Final answer
    x = 32,164.01

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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.