Home / 36,125.12-49,856.82-20,213.60

Finding the Fourth Proportional to 36,125.12, 49,856.82 and 20,213.60

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Solution

The fourth proportional to 36,125.12, 49,856.82 and 20,213.60 is: 27,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,125.12 : 49,856.82 = 20,213.60 : x
  2. Step 2: Convert to fraction form
    36,125.12/49,856.82 = 20,213.60/x
  3. Step 3: Cross multiply
    36,125.12x = 49,856.82 × 20,213.60
  4. Step 4: Simplify right side
    36,125.12x = 1,007,785,816.75
  5. Step 5: Solve for x
    x = 1,007,785,816.75/36,125.12
  6. Step 6: Final answer
    x = 27,897.09

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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.