Home / 51,898.42-77,831.23-18,617.75

Finding the Fourth Proportional to 51,898.42, 77,831.23 and 18,617.75

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Solution

The fourth proportional to 51,898.42, 77,831.23 and 18,617.75 is: 27,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,898.42 : 77,831.23 = 18,617.75 : x
  2. Step 2: Convert to fraction form
    51,898.42/77,831.23 = 18,617.75/x
  3. Step 3: Cross multiply
    51,898.42x = 77,831.23 × 18,617.75
  4. Step 4: Simplify right side
    51,898.42x = 1,449,042,273.41
  5. Step 5: Solve for x
    x = 1,449,042,273.41/51,898.42
  6. Step 6: Final answer
    x = 27,920.74

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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.