Home / 49,755.36-74,609.40-18,143.04

Finding the Fourth Proportional to 49,755.36, 74,609.40 and 18,143.04

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Solution

The fourth proportional to 49,755.36, 74,609.40 and 18,143.04 is: 27,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,755.36 : 74,609.40 = 18,143.04 : x
  2. Step 2: Convert to fraction form
    49,755.36/74,609.40 = 18,143.04/x
  3. Step 3: Cross multiply
    49,755.36x = 74,609.40 × 18,143.04
  4. Step 4: Simplify right side
    49,755.36x = 1,353,641,328.58
  5. Step 5: Solve for x
    x = 1,353,641,328.58/49,755.36
  6. Step 6: Final answer
    x = 27,205.94

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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.