Home / 40,114.78-55,364.52-25,009.90

Finding the Fourth Proportional to 40,114.78, 55,364.52 and 25,009.90

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Solution

The fourth proportional to 40,114.78, 55,364.52 and 25,009.90 is: 34,517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.78 : 55,364.52 = 25,009.90 : x
  2. Step 2: Convert to fraction form
    40,114.78/55,364.52 = 25,009.90/x
  3. Step 3: Cross multiply
    40,114.78x = 55,364.52 × 25,009.90
  4. Step 4: Simplify right side
    40,114.78x = 1,384,661,108.75
  5. Step 5: Solve for x
    x = 1,384,661,108.75/40,114.78
  6. Step 6: Final answer
    x = 34,517.48

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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.