Home / 36,211.78-49,971.36-20,079.15

Finding the Fourth Proportional to 36,211.78, 49,971.36 and 20,079.15

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Solution

The fourth proportional to 36,211.78, 49,971.36 and 20,079.15 is: 27,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,211.78 : 49,971.36 = 20,079.15 : x
  2. Step 2: Convert to fraction form
    36,211.78/49,971.36 = 20,079.15/x
  3. Step 3: Cross multiply
    36,211.78x = 49,971.36 × 20,079.15
  4. Step 4: Simplify right side
    36,211.78x = 1,003,382,292.17
  5. Step 5: Solve for x
    x = 1,003,382,292.17/36,211.78
  6. Step 6: Final answer
    x = 27,708.73

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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.