Home / 31,300.84-43,170.01-27,515.95

Finding the Fourth Proportional to 31,300.84, 43,170.01 and 27,515.95

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Solution

The fourth proportional to 31,300.84, 43,170.01 and 27,515.95 is: 37,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.84 : 43,170.01 = 27,515.95 : x
  2. Step 2: Convert to fraction form
    31,300.84/43,170.01 = 27,515.95/x
  3. Step 3: Cross multiply
    31,300.84x = 43,170.01 × 27,515.95
  4. Step 4: Simplify right side
    31,300.84x = 1,187,863,836.66
  5. Step 5: Solve for x
    x = 1,187,863,836.66/31,300.84
  6. Step 6: Final answer
    x = 37,949.90

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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.