Home / 31,710.11-47,561.38-8,338.37

Finding the Fourth Proportional to 31,710.11, 47,561.38 and 8,338.37

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Solution

The fourth proportional to 31,710.11, 47,561.38 and 8,338.37 is: 12,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.11 : 47,561.38 = 8,338.37 : x
  2. Step 2: Convert to fraction form
    31,710.11/47,561.38 = 8,338.37/x
  3. Step 3: Cross multiply
    31,710.11x = 47,561.38 × 8,338.37
  4. Step 4: Simplify right side
    31,710.11x = 396,584,104.65
  5. Step 5: Solve for x
    x = 396,584,104.65/31,710.11
  6. Step 6: Final answer
    x = 12,506.55

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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.