Home / 31,804.72-47,709.28-15,161.92

Finding the Fourth Proportional to 31,804.72, 47,709.28 and 15,161.92

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Solution

The fourth proportional to 31,804.72, 47,709.28 and 15,161.92 is: 22,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.72 : 47,709.28 = 15,161.92 : x
  2. Step 2: Convert to fraction form
    31,804.72/47,709.28 = 15,161.92/x
  3. Step 3: Cross multiply
    31,804.72x = 47,709.28 × 15,161.92
  4. Step 4: Simplify right side
    31,804.72x = 723,364,286.62
  5. Step 5: Solve for x
    x = 723,364,286.62/31,804.72
  6. Step 6: Final answer
    x = 22,743.93

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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.