Home / 20,036.39-30,057.41-7,560.97

Finding the Fourth Proportional to 20,036.39, 30,057.41 and 7,560.97

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Solution

The fourth proportional to 20,036.39, 30,057.41 and 7,560.97 is: 11,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.39 : 30,057.41 = 7,560.97 : x
  2. Step 2: Convert to fraction form
    20,036.39/30,057.41 = 7,560.97/x
  3. Step 3: Cross multiply
    20,036.39x = 30,057.41 × 7,560.97
  4. Step 4: Simplify right side
    20,036.39x = 227,263,119.05
  5. Step 5: Solve for x
    x = 227,263,119.05/20,036.39
  6. Step 6: Final answer
    x = 11,342.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.