Home / 36,134.30-49,865.47-20,218.75

Finding the Fourth Proportional to 36,134.30, 49,865.47 and 20,218.75

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Solution

The fourth proportional to 36,134.30, 49,865.47 and 20,218.75 is: 27,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.30 : 49,865.47 = 20,218.75 : x
  2. Step 2: Convert to fraction form
    36,134.30/49,865.47 = 20,218.75/x
  3. Step 3: Cross multiply
    36,134.30x = 49,865.47 × 20,218.75
  4. Step 4: Simplify right side
    36,134.30x = 1,008,217,296.35
  5. Step 5: Solve for x
    x = 1,008,217,296.35/36,134.30
  6. Step 6: Final answer
    x = 27,901.94

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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.