Home / 31,467.67-47,201.63-12,748.06

Finding the Fourth Proportional to 31,467.67, 47,201.63 and 12,748.06

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Solution

The fourth proportional to 31,467.67, 47,201.63 and 12,748.06 is: 19,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.67 : 47,201.63 = 12,748.06 : x
  2. Step 2: Convert to fraction form
    31,467.67/47,201.63 = 12,748.06/x
  3. Step 3: Cross multiply
    31,467.67x = 47,201.63 × 12,748.06
  4. Step 4: Simplify right side
    31,467.67x = 601,729,029.59
  5. Step 5: Solve for x
    x = 601,729,029.59/31,467.67
  6. Step 6: Final answer
    x = 19,122.14

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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.