Home / 31,835.97-47,753.89-8,462.40

Finding the Fourth Proportional to 31,835.97, 47,753.89 and 8,462.40

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Solution

The fourth proportional to 31,835.97, 47,753.89 and 8,462.40 is: 12,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.97 : 47,753.89 = 8,462.40 : x
  2. Step 2: Convert to fraction form
    31,835.97/47,753.89 = 8,462.40/x
  3. Step 3: Cross multiply
    31,835.97x = 47,753.89 × 8,462.40
  4. Step 4: Simplify right side
    31,835.97x = 404,112,616.96
  5. Step 5: Solve for x
    x = 404,112,616.96/31,835.97
  6. Step 6: Final answer
    x = 12,693.59

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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.