Home / 31,570.20-47,348.82-9,383.22

Finding the Fourth Proportional to 31,570.20, 47,348.82 and 9,383.22

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Solution

The fourth proportional to 31,570.20, 47,348.82 and 9,383.22 is: 14,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.20 : 47,348.82 = 9,383.22 : x
  2. Step 2: Convert to fraction form
    31,570.20/47,348.82 = 9,383.22/x
  3. Step 3: Cross multiply
    31,570.20x = 47,348.82 × 9,383.22
  4. Step 4: Simplify right side
    31,570.20x = 444,284,394.80
  5. Step 5: Solve for x
    x = 444,284,394.80/31,570.20
  6. Step 6: Final answer
    x = 14,072.90

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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.