Home / 31,899.20-47,850.69-9,713.30

Finding the Fourth Proportional to 31,899.20, 47,850.69 and 9,713.30

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Solution

The fourth proportional to 31,899.20, 47,850.69 and 9,713.30 is: 14,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.20 : 47,850.69 = 9,713.30 : x
  2. Step 2: Convert to fraction form
    31,899.20/47,850.69 = 9,713.30/x
  3. Step 3: Cross multiply
    31,899.20x = 47,850.69 × 9,713.30
  4. Step 4: Simplify right side
    31,899.20x = 464,788,107.18
  5. Step 5: Solve for x
    x = 464,788,107.18/31,899.20
  6. Step 6: Final answer
    x = 14,570.53

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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.