Home / 36,260.38-50,036.70-20,128.56

Finding the Fourth Proportional to 36,260.38, 50,036.70 and 20,128.56

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Solution

The fourth proportional to 36,260.38, 50,036.70 and 20,128.56 is: 27,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,260.38 : 50,036.70 = 20,128.56 : x
  2. Step 2: Convert to fraction form
    36,260.38/50,036.70 = 20,128.56/x
  3. Step 3: Cross multiply
    36,260.38x = 50,036.70 × 20,128.56
  4. Step 4: Simplify right side
    36,260.38x = 1,007,166,718.15
  5. Step 5: Solve for x
    x = 1,007,166,718.15/36,260.38
  6. Step 6: Final answer
    x = 27,775.96

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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.