Home / 39,201.76-54,062.60-29,155.33

Finding the Fourth Proportional to 39,201.76, 54,062.60 and 29,155.33

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Solution

The fourth proportional to 39,201.76, 54,062.60 and 29,155.33 is: 40,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.76 : 54,062.60 = 29,155.33 : x
  2. Step 2: Convert to fraction form
    39,201.76/54,062.60 = 29,155.33/x
  3. Step 3: Cross multiply
    39,201.76x = 54,062.60 × 29,155.33
  4. Step 4: Simplify right side
    39,201.76x = 1,576,212,943.66
  5. Step 5: Solve for x
    x = 1,576,212,943.66/39,201.76
  6. Step 6: Final answer
    x = 40,207.71

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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.