Home / 33,247.40-49,871.10-13,540.10

Finding the Fourth Proportional to 33,247.40, 49,871.10 and 13,540.10

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Solution

The fourth proportional to 33,247.40, 49,871.10 and 13,540.10 is: 20,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.40 : 49,871.10 = 13,540.10 : x
  2. Step 2: Convert to fraction form
    33,247.40/49,871.10 = 13,540.10/x
  3. Step 3: Cross multiply
    33,247.40x = 49,871.10 × 13,540.10
  4. Step 4: Simplify right side
    33,247.40x = 675,259,681.11
  5. Step 5: Solve for x
    x = 675,259,681.11/33,247.40
  6. Step 6: Final answer
    x = 20,310.15

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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.