Home / 31,338.50-47,008.44-14,689.38

Finding the Fourth Proportional to 31,338.50, 47,008.44 and 14,689.38

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Solution

The fourth proportional to 31,338.50, 47,008.44 and 14,689.38 is: 22,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.50 : 47,008.44 = 14,689.38 : x
  2. Step 2: Convert to fraction form
    31,338.50/47,008.44 = 14,689.38/x
  3. Step 3: Cross multiply
    31,338.50x = 47,008.44 × 14,689.38
  4. Step 4: Simplify right side
    31,338.50x = 690,524,838.37
  5. Step 5: Solve for x
    x = 690,524,838.37/31,338.50
  6. Step 6: Final answer
    x = 22,034.39

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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.