Home / 43,831.44-65,747.24-12,669.20

Finding the Fourth Proportional to 43,831.44, 65,747.24 and 12,669.20

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Solution

The fourth proportional to 43,831.44, 65,747.24 and 12,669.20 is: 19,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.44 : 65,747.24 = 12,669.20 : x
  2. Step 2: Convert to fraction form
    43,831.44/65,747.24 = 12,669.20/x
  3. Step 3: Cross multiply
    43,831.44x = 65,747.24 × 12,669.20
  4. Step 4: Simplify right side
    43,831.44x = 832,964,933.01
  5. Step 5: Solve for x
    x = 832,964,933.01/43,831.44
  6. Step 6: Final answer
    x = 19,003.82

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1.5x scale

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.