Home / 36,081.66-49,792.90-20,974.62

Finding the Fourth Proportional to 36,081.66, 49,792.90 and 20,974.62

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Solution

The fourth proportional to 36,081.66, 49,792.90 and 20,974.62 is: 28,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.66 : 49,792.90 = 20,974.62 : x
  2. Step 2: Convert to fraction form
    36,081.66/49,792.90 = 20,974.62/x
  3. Step 3: Cross multiply
    36,081.66x = 49,792.90 × 20,974.62
  4. Step 4: Simplify right side
    36,081.66x = 1,044,387,156.20
  5. Step 5: Solve for x
    x = 1,044,387,156.20/36,081.66
  6. Step 6: Final answer
    x = 28,945.10

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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.