Home / 31,827.83-47,743.25-10,481.90

Finding the Fourth Proportional to 31,827.83, 47,743.25 and 10,481.90

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Solution

The fourth proportional to 31,827.83, 47,743.25 and 10,481.90 is: 15,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.83 : 47,743.25 = 10,481.90 : x
  2. Step 2: Convert to fraction form
    31,827.83/47,743.25 = 10,481.90/x
  3. Step 3: Cross multiply
    31,827.83x = 47,743.25 × 10,481.90
  4. Step 4: Simplify right side
    31,827.83x = 500,439,681.05
  5. Step 5: Solve for x
    x = 500,439,681.05/31,827.83
  6. Step 6: Final answer
    x = 15,723.34

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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.