Home / 36,143.82-49,877.67-20,010.19

Finding the Fourth Proportional to 36,143.82, 49,877.67 and 20,010.19

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Solution

The fourth proportional to 36,143.82, 49,877.67 and 20,010.19 is: 27,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.82 : 49,877.67 = 20,010.19 : x
  2. Step 2: Convert to fraction form
    36,143.82/49,877.67 = 20,010.19/x
  3. Step 3: Cross multiply
    36,143.82x = 49,877.67 × 20,010.19
  4. Step 4: Simplify right side
    36,143.82x = 998,061,697.32
  5. Step 5: Solve for x
    x = 998,061,697.32/36,143.82
  6. Step 6: Final answer
    x = 27,613.62

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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.