Home / 29,831.20-44,772.40-13,216.80

Finding the Fourth Proportional to 29,831.20, 44,772.40 and 13,216.80

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Solution

The fourth proportional to 29,831.20, 44,772.40 and 13,216.80 is: 19,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,831.20 : 44,772.40 = 13,216.80 : x
  2. Step 2: Convert to fraction form
    29,831.20/44,772.40 = 13,216.80/x
  3. Step 3: Cross multiply
    29,831.20x = 44,772.40 × 13,216.80
  4. Step 4: Simplify right side
    29,831.20x = 591,747,856.32
  5. Step 5: Solve for x
    x = 591,747,856.32/29,831.20
  6. Step 6: Final answer
    x = 19,836.54

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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.