Home / 35,648.36-49,193.19-19,731.86

Finding the Fourth Proportional to 35,648.36, 49,193.19 and 19,731.86

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Solution

The fourth proportional to 35,648.36, 49,193.19 and 19,731.86 is: 27,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.36 : 49,193.19 = 19,731.86 : x
  2. Step 2: Convert to fraction form
    35,648.36/49,193.19 = 19,731.86/x
  3. Step 3: Cross multiply
    35,648.36x = 49,193.19 × 19,731.86
  4. Step 4: Simplify right side
    35,648.36x = 970,673,138.03
  5. Step 5: Solve for x
    x = 970,673,138.03/35,648.36
  6. Step 6: Final answer
    x = 27,229.11

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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.