Home / 45,917.75-68,863.58-17,831.81

Finding the Fourth Proportional to 45,917.75, 68,863.58 and 17,831.81

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Solution

The fourth proportional to 45,917.75, 68,863.58 and 17,831.81 is: 26,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.75 : 68,863.58 = 17,831.81 : x
  2. Step 2: Convert to fraction form
    45,917.75/68,863.58 = 17,831.81/x
  3. Step 3: Cross multiply
    45,917.75x = 68,863.58 × 17,831.81
  4. Step 4: Simplify right side
    45,917.75x = 1,227,962,232.98
  5. Step 5: Solve for x
    x = 1,227,962,232.98/45,917.75
  6. Step 6: Final answer
    x = 26,742.65

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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.