Home / 31,711.88-47,582.58-14,193.56

Finding the Fourth Proportional to 31,711.88, 47,582.58 and 14,193.56

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Solution

The fourth proportional to 31,711.88, 47,582.58 and 14,193.56 is: 21,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.88 : 47,582.58 = 14,193.56 : x
  2. Step 2: Convert to fraction form
    31,711.88/47,582.58 = 14,193.56/x
  3. Step 3: Cross multiply
    31,711.88x = 47,582.58 × 14,193.56
  4. Step 4: Simplify right side
    31,711.88x = 675,366,204.18
  5. Step 5: Solve for x
    x = 675,366,204.18/31,711.88
  6. Step 6: Final answer
    x = 21,296.95

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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.