Home / 31,882.02-43,996.41-18,451.41

Finding the Fourth Proportional to 31,882.02, 43,996.41 and 18,451.41

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Solution

The fourth proportional to 31,882.02, 43,996.41 and 18,451.41 is: 25,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882.02 : 43,996.41 = 18,451.41 : x
  2. Step 2: Convert to fraction form
    31,882.02/43,996.41 = 18,451.41/x
  3. Step 3: Cross multiply
    31,882.02x = 43,996.41 × 18,451.41
  4. Step 4: Simplify right side
    31,882.02x = 811,795,799.44
  5. Step 5: Solve for x
    x = 811,795,799.44/31,882.02
  6. Step 6: Final answer
    x = 25,462.50

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1.5x scale

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.