Home / 39,221.05-54,105.11-25,617.06

Finding the Fourth Proportional to 39,221.05, 54,105.11 and 25,617.06

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Solution

The fourth proportional to 39,221.05, 54,105.11 and 25,617.06 is: 35,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.05 : 54,105.11 = 25,617.06 : x
  2. Step 2: Convert to fraction form
    39,221.05/54,105.11 = 25,617.06/x
  3. Step 3: Cross multiply
    39,221.05x = 54,105.11 × 25,617.06
  4. Step 4: Simplify right side
    39,221.05x = 1,386,013,913.22
  5. Step 5: Solve for x
    x = 1,386,013,913.22/39,221.05
  6. Step 6: Final answer
    x = 35,338.52

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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.