Home / 31,358.62-47,013.27-21,467.92

Finding the Fourth Proportional to 31,358.62, 47,013.27 and 21,467.92

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Solution

The fourth proportional to 31,358.62, 47,013.27 and 21,467.92 is: 32,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.62 : 47,013.27 = 21,467.92 : x
  2. Step 2: Convert to fraction form
    31,358.62/47,013.27 = 21,467.92/x
  3. Step 3: Cross multiply
    31,358.62x = 47,013.27 × 21,467.92
  4. Step 4: Simplify right side
    31,358.62x = 1,009,277,119.30
  5. Step 5: Solve for x
    x = 1,009,277,119.30/31,358.62
  6. Step 6: Final answer
    x = 32,185.00

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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.