Home / 36,111.88-49,839.03-20,197.21

Finding the Fourth Proportional to 36,111.88, 49,839.03 and 20,197.21

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Solution

The fourth proportional to 36,111.88, 49,839.03 and 20,197.21 is: 27,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.88 : 49,839.03 = 20,197.21 : x
  2. Step 2: Convert to fraction form
    36,111.88/49,839.03 = 20,197.21/x
  3. Step 3: Cross multiply
    36,111.88x = 49,839.03 × 20,197.21
  4. Step 4: Simplify right side
    36,111.88x = 1,006,609,355.11
  5. Step 5: Solve for x
    x = 1,006,609,355.11/36,111.88
  6. Step 6: Final answer
    x = 27,874.74

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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.