Home / 31,258.55-43,137.99-17,831.99

Finding the Fourth Proportional to 31,258.55, 43,137.99 and 17,831.99

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Solution

The fourth proportional to 31,258.55, 43,137.99 and 17,831.99 is: 24,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.55 : 43,137.99 = 17,831.99 : x
  2. Step 2: Convert to fraction form
    31,258.55/43,137.99 = 17,831.99/x
  3. Step 3: Cross multiply
    31,258.55x = 43,137.99 × 17,831.99
  4. Step 4: Simplify right side
    31,258.55x = 769,235,990.61
  5. Step 5: Solve for x
    x = 769,235,990.61/31,258.55
  6. Step 6: Final answer
    x = 24,608.82

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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.