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Finding the Fourth Proportional to 36,165.60, 49,908.60 and 20,250.28

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Solution

The fourth proportional to 36,165.60, 49,908.60 and 20,250.28 is: 27,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,165.60 : 49,908.60 = 20,250.28 : x
  2. Step 2: Convert to fraction form
    36,165.60/49,908.60 = 20,250.28/x
  3. Step 3: Cross multiply
    36,165.60x = 49,908.60 × 20,250.28
  4. Step 4: Simplify right side
    36,165.60x = 1,010,663,124.41
  5. Step 5: Solve for x
    x = 1,010,663,124.41/36,165.60
  6. Step 6: Final answer
    x = 27,945.43

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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.