Home / 33,165.38-49,704.19-13,420.58

Finding the Fourth Proportional to 33,165.38, 49,704.19 and 13,420.58

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Solution

The fourth proportional to 33,165.38, 49,704.19 and 13,420.58 is: 20,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.38 : 49,704.19 = 13,420.58 : x
  2. Step 2: Convert to fraction form
    33,165.38/49,704.19 = 13,420.58/x
  3. Step 3: Cross multiply
    33,165.38x = 49,704.19 × 13,420.58
  4. Step 4: Simplify right side
    33,165.38x = 667,059,058.23
  5. Step 5: Solve for x
    x = 667,059,058.23/33,165.38
  6. Step 6: Final answer
    x = 20,113.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.