Home / 54,391.26-75,061.25-30,519.70

Finding the Fourth Proportional to 54,391.26, 75,061.25 and 30,519.70

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Solution

The fourth proportional to 54,391.26, 75,061.25 and 30,519.70 is: 42,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391.26 : 75,061.25 = 30,519.70 : x
  2. Step 2: Convert to fraction form
    54,391.26/75,061.25 = 30,519.70/x
  3. Step 3: Cross multiply
    54,391.26x = 75,061.25 × 30,519.70
  4. Step 4: Simplify right side
    54,391.26x = 2,290,846,831.63
  5. Step 5: Solve for x
    x = 2,290,846,831.63/54,391.26
  6. Step 6: Final answer
    x = 42,117.92

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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.