Home / 54,399.75-75,079.11-30,527.83

Finding the Fourth Proportional to 54,399.75, 75,079.11 and 30,527.83

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Solution

The fourth proportional to 54,399.75, 75,079.11 and 30,527.83 is: 42,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.75 : 75,079.11 = 30,527.83 : x
  2. Step 2: Convert to fraction form
    54,399.75/75,079.11 = 30,527.83/x
  3. Step 3: Cross multiply
    54,399.75x = 75,079.11 × 30,527.83
  4. Step 4: Simplify right side
    54,399.75x = 2,292,002,306.63
  5. Step 5: Solve for x
    x = 2,292,002,306.63/54,399.75
  6. Step 6: Final answer
    x = 42,132.59

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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.