Home / 31,467.24-47,208.96-9,279.72

Finding the Fourth Proportional to 31,467.24, 47,208.96 and 9,279.72

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Solution

The fourth proportional to 31,467.24, 47,208.96 and 9,279.72 is: 13,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.24 : 47,208.96 = 9,279.72 : x
  2. Step 2: Convert to fraction form
    31,467.24/47,208.96 = 9,279.72/x
  3. Step 3: Cross multiply
    31,467.24x = 47,208.96 × 9,279.72
  4. Step 4: Simplify right side
    31,467.24x = 438,085,930.29
  5. Step 5: Solve for x
    x = 438,085,930.29/31,467.24
  6. Step 6: Final answer
    x = 13,921.97

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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.