Home / 45,371.11-67,923.59-31,815.29

Finding the Fourth Proportional to 45,371.11, 67,923.59 and 31,815.29

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Solution

The fourth proportional to 45,371.11, 67,923.59 and 31,815.29 is: 47,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.11 : 67,923.59 = 31,815.29 : x
  2. Step 2: Convert to fraction form
    45,371.11/67,923.59 = 31,815.29/x
  3. Step 3: Cross multiply
    45,371.11x = 67,923.59 × 31,815.29
  4. Step 4: Simplify right side
    45,371.11x = 2,161,008,713.69
  5. Step 5: Solve for x
    x = 2,161,008,713.69/45,371.11
  6. Step 6: Final answer
    x = 47,629.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.