Home / 31,849.16-47,773.58-8,156.66

Finding the Fourth Proportional to 31,849.16, 47,773.58 and 8,156.66

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Solution

The fourth proportional to 31,849.16, 47,773.58 and 8,156.66 is: 12,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.16 : 47,773.58 = 8,156.66 : x
  2. Step 2: Convert to fraction form
    31,849.16/47,773.58 = 8,156.66/x
  3. Step 3: Cross multiply
    31,849.16x = 47,773.58 × 8,156.66
  4. Step 4: Simplify right side
    31,849.16x = 389,672,849.04
  5. Step 5: Solve for x
    x = 389,672,849.04/31,849.16
  6. Step 6: Final answer
    x = 12,234.95

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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.