Home / 31,452.90-47,181.91-8,965.30

Finding the Fourth Proportional to 31,452.90, 47,181.91 and 8,965.30

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Solution

The fourth proportional to 31,452.90, 47,181.91 and 8,965.30 is: 13,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.90 : 47,181.91 = 8,965.30 : x
  2. Step 2: Convert to fraction form
    31,452.90/47,181.91 = 8,965.30/x
  3. Step 3: Cross multiply
    31,452.90x = 47,181.91 × 8,965.30
  4. Step 4: Simplify right side
    31,452.90x = 422,999,977.72
  5. Step 5: Solve for x
    x = 422,999,977.72/31,452.90
  6. Step 6: Final answer
    x = 13,448.68

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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.