Home / 31,585.92-47,368.70-16,786.42

Finding the Fourth Proportional to 31,585.92, 47,368.70 and 16,786.42

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Solution

The fourth proportional to 31,585.92, 47,368.70 and 16,786.42 is: 25,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.92 : 47,368.70 = 16,786.42 : x
  2. Step 2: Convert to fraction form
    31,585.92/47,368.70 = 16,786.42/x
  3. Step 3: Cross multiply
    31,585.92x = 47,368.70 × 16,786.42
  4. Step 4: Simplify right side
    31,585.92x = 795,150,893.05
  5. Step 5: Solve for x
    x = 795,150,893.05/31,585.92
  6. Step 6: Final answer
    x = 25,174.22

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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.