Home / 54,234.88-74,831.25-31,560.15

Finding the Fourth Proportional to 54,234.88, 74,831.25 and 31,560.15

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Solution

The fourth proportional to 54,234.88, 74,831.25 and 31,560.15 is: 43,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.88 : 74,831.25 = 31,560.15 : x
  2. Step 2: Convert to fraction form
    54,234.88/74,831.25 = 31,560.15/x
  3. Step 3: Cross multiply
    54,234.88x = 74,831.25 × 31,560.15
  4. Step 4: Simplify right side
    54,234.88x = 2,361,685,100.53
  5. Step 5: Solve for x
    x = 2,361,685,100.53/54,234.88
  6. Step 6: Final answer
    x = 43,545.50

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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.