Home / 39,255.72-54,155.03-23,331.12

Finding the Fourth Proportional to 39,255.72, 54,155.03 and 23,331.12

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Solution

The fourth proportional to 39,255.72, 54,155.03 and 23,331.12 is: 32,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.72 : 54,155.03 = 23,331.12 : x
  2. Step 2: Convert to fraction form
    39,255.72/54,155.03 = 23,331.12/x
  3. Step 3: Cross multiply
    39,255.72x = 54,155.03 × 23,331.12
  4. Step 4: Simplify right side
    39,255.72x = 1,263,497,386.88
  5. Step 5: Solve for x
    x = 1,263,497,386.88/39,255.72
  6. Step 6: Final answer
    x = 32,186.33

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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.