Home / 35,358.90-48,791.19-20,250.66

Finding the Fourth Proportional to 35,358.90, 48,791.19 and 20,250.66

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Solution

The fourth proportional to 35,358.90, 48,791.19 and 20,250.66 is: 27,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,358.90 : 48,791.19 = 20,250.66 : x
  2. Step 2: Convert to fraction form
    35,358.90/48,791.19 = 20,250.66/x
  3. Step 3: Cross multiply
    35,358.90x = 48,791.19 × 20,250.66
  4. Step 4: Simplify right side
    35,358.90x = 988,053,799.69
  5. Step 5: Solve for x
    x = 988,053,799.69/35,358.90
  6. Step 6: Final answer
    x = 27,943.57

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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.