Home / 31,874.39-47,818.07-11,099.51

Finding the Fourth Proportional to 31,874.39, 47,818.07 and 11,099.51

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Solution

The fourth proportional to 31,874.39, 47,818.07 and 11,099.51 is: 16,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,874.39 : 47,818.07 = 11,099.51 : x
  2. Step 2: Convert to fraction form
    31,874.39/47,818.07 = 11,099.51/x
  3. Step 3: Cross multiply
    31,874.39x = 47,818.07 × 11,099.51
  4. Step 4: Simplify right side
    31,874.39x = 530,757,090.65
  5. Step 5: Solve for x
    x = 530,757,090.65/31,874.39
  6. Step 6: Final answer
    x = 16,651.52

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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.