Home / 31,839.41-43,894.47-25,400.88

Finding the Fourth Proportional to 31,839.41, 43,894.47 and 25,400.88

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Solution

The fourth proportional to 31,839.41, 43,894.47 and 25,400.88 is: 35,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.41 : 43,894.47 = 25,400.88 : x
  2. Step 2: Convert to fraction form
    31,839.41/43,894.47 = 25,400.88/x
  3. Step 3: Cross multiply
    31,839.41x = 43,894.47 × 25,400.88
  4. Step 4: Simplify right side
    31,839.41x = 1,114,958,165.13
  5. Step 5: Solve for x
    x = 1,114,958,165.13/31,839.41
  6. Step 6: Final answer
    x = 35,018.18

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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.