Home / 31,542.66-47,318.31-14,012.10

Finding the Fourth Proportional to 31,542.66, 47,318.31 and 14,012.10

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Solution

The fourth proportional to 31,542.66, 47,318.31 and 14,012.10 is: 21,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.66 : 47,318.31 = 14,012.10 : x
  2. Step 2: Convert to fraction form
    31,542.66/47,318.31 = 14,012.10/x
  3. Step 3: Cross multiply
    31,542.66x = 47,318.31 × 14,012.10
  4. Step 4: Simplify right side
    31,542.66x = 663,028,891.55
  5. Step 5: Solve for x
    x = 663,028,891.55/31,542.66
  6. Step 6: Final answer
    x = 21,020.07

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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.