Home / 31,842.12-47,764.26-8,468.58

Finding the Fourth Proportional to 31,842.12, 47,764.26 and 8,468.58

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Solution

The fourth proportional to 31,842.12, 47,764.26 and 8,468.58 is: 12,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.12 : 47,764.26 = 8,468.58 : x
  2. Step 2: Convert to fraction form
    31,842.12/47,764.26 = 8,468.58/x
  3. Step 3: Cross multiply
    31,842.12x = 47,764.26 × 8,468.58
  4. Step 4: Simplify right side
    31,842.12x = 404,495,456.95
  5. Step 5: Solve for x
    x = 404,495,456.95/31,842.12
  6. Step 6: Final answer
    x = 12,703.16

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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.