Home / 54,560.46-81,831.57-15,121.56

Finding the Fourth Proportional to 54,560.46, 81,831.57 and 15,121.56

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Solution

The fourth proportional to 54,560.46, 81,831.57 and 15,121.56 is: 22,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,560.46 : 81,831.57 = 15,121.56 : x
  2. Step 2: Convert to fraction form
    54,560.46/81,831.57 = 15,121.56/x
  3. Step 3: Cross multiply
    54,560.46x = 81,831.57 × 15,121.56
  4. Step 4: Simplify right side
    54,560.46x = 1,237,420,995.65
  5. Step 5: Solve for x
    x = 1,237,420,995.65/54,560.46
  6. Step 6: Final answer
    x = 22,679.81

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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.