Home / 36,212.78-49,972.74-20,080.15

Finding the Fourth Proportional to 36,212.78, 49,972.74 and 20,080.15

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Solution

The fourth proportional to 36,212.78, 49,972.74 and 20,080.15 is: 27,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.78 : 49,972.74 = 20,080.15 : x
  2. Step 2: Convert to fraction form
    36,212.78/49,972.74 = 20,080.15/x
  3. Step 3: Cross multiply
    36,212.78x = 49,972.74 × 20,080.15
  4. Step 4: Simplify right side
    36,212.78x = 1,003,460,115.11
  5. Step 5: Solve for x
    x = 1,003,460,115.11/36,212.78
  6. Step 6: Final answer
    x = 27,710.11

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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.