Home / 35,132.38-48,481.47-20,029.90

Finding the Fourth Proportional to 35,132.38, 48,481.47 and 20,029.90

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Solution

The fourth proportional to 35,132.38, 48,481.47 and 20,029.90 is: 27,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,132.38 : 48,481.47 = 20,029.90 : x
  2. Step 2: Convert to fraction form
    35,132.38/48,481.47 = 20,029.90/x
  3. Step 3: Cross multiply
    35,132.38x = 48,481.47 × 20,029.90
  4. Step 4: Simplify right side
    35,132.38x = 971,078,995.95
  5. Step 5: Solve for x
    x = 971,078,995.95/35,132.38
  6. Step 6: Final answer
    x = 27,640.57

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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.