Home / 36,026.12-49,726.50-20,922.20

Finding the Fourth Proportional to 36,026.12, 49,726.50 and 20,922.20

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Solution

The fourth proportional to 36,026.12, 49,726.50 and 20,922.20 is: 28,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,026.12 : 49,726.50 = 20,922.20 : x
  2. Step 2: Convert to fraction form
    36,026.12/49,726.50 = 20,922.20/x
  3. Step 3: Cross multiply
    36,026.12x = 49,726.50 × 20,922.20
  4. Step 4: Simplify right side
    36,026.12x = 1,040,387,778.30
  5. Step 5: Solve for x
    x = 1,040,387,778.30/36,026.12
  6. Step 6: Final answer
    x = 28,878.71

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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.