Home / 36,206.78-49,962.62-20,288.16

Finding the Fourth Proportional to 36,206.78, 49,962.62 and 20,288.16

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Solution

The fourth proportional to 36,206.78, 49,962.62 and 20,288.16 is: 27,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.78 : 49,962.62 = 20,288.16 : x
  2. Step 2: Convert to fraction form
    36,206.78/49,962.62 = 20,288.16/x
  3. Step 3: Cross multiply
    36,206.78x = 49,962.62 × 20,288.16
  4. Step 4: Simplify right side
    36,206.78x = 1,013,649,679.30
  5. Step 5: Solve for x
    x = 1,013,649,679.30/36,206.78
  6. Step 6: Final answer
    x = 27,996.13

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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.