Home / 31,711.30-47,569.23-10,934.50

Finding the Fourth Proportional to 31,711.30, 47,569.23 and 10,934.50

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Solution

The fourth proportional to 31,711.30, 47,569.23 and 10,934.50 is: 16,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.30 : 47,569.23 = 10,934.50 : x
  2. Step 2: Convert to fraction form
    31,711.30/47,569.23 = 10,934.50/x
  3. Step 3: Cross multiply
    31,711.30x = 47,569.23 × 10,934.50
  4. Step 4: Simplify right side
    31,711.30x = 520,145,745.44
  5. Step 5: Solve for x
    x = 520,145,745.44/31,711.30
  6. Step 6: Final answer
    x = 16,402.54

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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.