Home / 39,951.36-55,114.56-23,181.12

Finding the Fourth Proportional to 39,951.36, 55,114.56 and 23,181.12

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Solution

The fourth proportional to 39,951.36, 55,114.56 and 23,181.12 is: 31,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.36 : 55,114.56 = 23,181.12 : x
  2. Step 2: Convert to fraction form
    39,951.36/55,114.56 = 23,181.12/x
  3. Step 3: Cross multiply
    39,951.36x = 55,114.56 × 23,181.12
  4. Step 4: Simplify right side
    39,951.36x = 1,277,617,229.11
  5. Step 5: Solve for x
    x = 1,277,617,229.11/39,951.36
  6. Step 6: Final answer
    x = 31,979.32

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Half scale
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Double scale
Find fourth proportional to 39,952.36, 55,115.94 and 23,182.12
Similar ratio
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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.