Home / 36,188.52-49,942.20-20,278.09

Finding the Fourth Proportional to 36,188.52, 49,942.20 and 20,278.09

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Solution

The fourth proportional to 36,188.52, 49,942.20 and 20,278.09 is: 27,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.52 : 49,942.20 = 20,278.09 : x
  2. Step 2: Convert to fraction form
    36,188.52/49,942.20 = 20,278.09/x
  3. Step 3: Cross multiply
    36,188.52x = 49,942.20 × 20,278.09
  4. Step 4: Simplify right side
    36,188.52x = 1,012,732,426.40
  5. Step 5: Solve for x
    x = 1,012,732,426.40/36,188.52
  6. Step 6: Final answer
    x = 27,984.91

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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.