Home / 49,722.18-74,580.84-18,555

Finding the Fourth Proportional to 49,722.18, 74,580.84 and 18,555

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Solution

The fourth proportional to 49,722.18, 74,580.84 and 18,555 is: 27,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.18 : 74,580.84 = 18,555 : x
  2. Step 2: Convert to fraction form
    49,722.18/74,580.84 = 18,555/x
  3. Step 3: Cross multiply
    49,722.18x = 74,580.84 × 18,555
  4. Step 4: Simplify right side
    49,722.18x = 1,383,847,486.20
  5. Step 5: Solve for x
    x = 1,383,847,486.20/49,722.18
  6. Step 6: Final answer
    x = 27,831.59

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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.