Home / 39,891.12-55,049.96-22,894.01

Finding the Fourth Proportional to 39,891.12, 55,049.96 and 22,894.01

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Solution

The fourth proportional to 39,891.12, 55,049.96 and 22,894.01 is: 31,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.12 : 55,049.96 = 22,894.01 : x
  2. Step 2: Convert to fraction form
    39,891.12/55,049.96 = 22,894.01/x
  3. Step 3: Cross multiply
    39,891.12x = 55,049.96 × 22,894.01
  4. Step 4: Simplify right side
    39,891.12x = 1,260,314,334.74
  5. Step 5: Solve for x
    x = 1,260,314,334.74/39,891.12
  6. Step 6: Final answer
    x = 31,593.86

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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.