Home / 20,040.67-30,062.90-5,249.71

Finding the Fourth Proportional to 20,040.67, 30,062.90 and 5,249.71

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Solution

The fourth proportional to 20,040.67, 30,062.90 and 5,249.71 is: 7,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.67 : 30,062.90 = 5,249.71 : x
  2. Step 2: Convert to fraction form
    20,040.67/30,062.90 = 5,249.71/x
  3. Step 3: Cross multiply
    20,040.67x = 30,062.90 × 5,249.71
  4. Step 4: Simplify right side
    20,040.67x = 157,821,527.93
  5. Step 5: Solve for x
    x = 157,821,527.93/20,040.67
  6. Step 6: Final answer
    x = 7,875.06

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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.