Home / 53,937.21-80,849.67-30,209.97

Finding the Fourth Proportional to 53,937.21, 80,849.67 and 30,209.97

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Solution

The fourth proportional to 53,937.21, 80,849.67 and 30,209.97 is: 45,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,937.21 : 80,849.67 = 30,209.97 : x
  2. Step 2: Convert to fraction form
    53,937.21/80,849.67 = 30,209.97/x
  3. Step 3: Cross multiply
    53,937.21x = 80,849.67 × 30,209.97
  4. Step 4: Simplify right side
    53,937.21x = 2,442,466,105.21
  5. Step 5: Solve for x
    x = 2,442,466,105.21/53,937.21
  6. Step 6: Final answer
    x = 45,283.51

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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.