Home / 55,069.50-75,995.92-29,919

Finding the Fourth Proportional to 55,069.50, 75,995.92 and 29,919

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Solution

The fourth proportional to 55,069.50, 75,995.92 and 29,919 is: 41,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.50 : 75,995.92 = 29,919 : x
  2. Step 2: Convert to fraction form
    55,069.50/75,995.92 = 29,919/x
  3. Step 3: Cross multiply
    55,069.50x = 75,995.92 × 29,919
  4. Step 4: Simplify right side
    55,069.50x = 2,273,721,930.48
  5. Step 5: Solve for x
    x = 2,273,721,930.48/55,069.50
  6. Step 6: Final answer
    x = 41,288.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.