Home / 31,864.38-47,684.70-26,175.84

Finding the Fourth Proportional to 31,864.38, 47,684.70 and 26,175.84

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Solution

The fourth proportional to 31,864.38, 47,684.70 and 26,175.84 is: 39,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.38 : 47,684.70 = 26,175.84 : x
  2. Step 2: Convert to fraction form
    31,864.38/47,684.70 = 26,175.84/x
  3. Step 3: Cross multiply
    31,864.38x = 47,684.70 × 26,175.84
  4. Step 4: Simplify right side
    31,864.38x = 1,248,187,077.65
  5. Step 5: Solve for x
    x = 1,248,187,077.65/31,864.38
  6. Step 6: Final answer
    x = 39,171.86

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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.