Home / 29,912.10-44,868.15-18,831.30

Finding the Fourth Proportional to 29,912.10, 44,868.15 and 18,831.30

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Solution

The fourth proportional to 29,912.10, 44,868.15 and 18,831.30 is: 28,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.10 : 44,868.15 = 18,831.30 : x
  2. Step 2: Convert to fraction form
    29,912.10/44,868.15 = 18,831.30/x
  3. Step 3: Cross multiply
    29,912.10x = 44,868.15 × 18,831.30
  4. Step 4: Simplify right side
    29,912.10x = 844,925,593.10
  5. Step 5: Solve for x
    x = 844,925,593.10/29,912.10
  6. Step 6: Final answer
    x = 28,246.95

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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.