Home / 43,831.86-65,763.06-13,850.69

Finding the Fourth Proportional to 43,831.86, 65,763.06 and 13,850.69

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Solution

The fourth proportional to 43,831.86, 65,763.06 and 13,850.69 is: 20,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.86 : 65,763.06 = 13,850.69 : x
  2. Step 2: Convert to fraction form
    43,831.86/65,763.06 = 13,850.69/x
  3. Step 3: Cross multiply
    43,831.86x = 65,763.06 × 13,850.69
  4. Step 4: Simplify right side
    43,831.86x = 910,863,428.70
  5. Step 5: Solve for x
    x = 910,863,428.70/43,831.86
  6. Step 6: Final answer
    x = 20,780.85

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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.