Home / 31,866.15-47,805.61-17,846.12

Finding the Fourth Proportional to 31,866.15, 47,805.61 and 17,846.12

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Solution

The fourth proportional to 31,866.15, 47,805.61 and 17,846.12 is: 26,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.15 : 47,805.61 = 17,846.12 : x
  2. Step 2: Convert to fraction form
    31,866.15/47,805.61 = 17,846.12/x
  3. Step 3: Cross multiply
    31,866.15x = 47,805.61 × 17,846.12
  4. Step 4: Simplify right side
    31,866.15x = 853,144,652.73
  5. Step 5: Solve for x
    x = 853,144,652.73/31,866.15
  6. Step 6: Final answer
    x = 26,772.76

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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.