Home / 35,308.42-48,726.78-20,201.11

Finding the Fourth Proportional to 35,308.42, 48,726.78 and 20,201.11

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Solution

The fourth proportional to 35,308.42, 48,726.78 and 20,201.11 is: 27,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.42 : 48,726.78 = 20,201.11 : x
  2. Step 2: Convert to fraction form
    35,308.42/48,726.78 = 20,201.11/x
  3. Step 3: Cross multiply
    35,308.42x = 48,726.78 × 20,201.11
  4. Step 4: Simplify right side
    35,308.42x = 984,335,042.73
  5. Step 5: Solve for x
    x = 984,335,042.73/35,308.42
  6. Step 6: Final answer
    x = 27,878.20

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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.