Home / 31,775.08-47,634.30-12,067.47

Finding the Fourth Proportional to 31,775.08, 47,634.30 and 12,067.47

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Solution

The fourth proportional to 31,775.08, 47,634.30 and 12,067.47 is: 18,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,775.08 : 47,634.30 = 12,067.47 : x
  2. Step 2: Convert to fraction form
    31,775.08/47,634.30 = 12,067.47/x
  3. Step 3: Cross multiply
    31,775.08x = 47,634.30 × 12,067.47
  4. Step 4: Simplify right side
    31,775.08x = 574,825,754.61
  5. Step 5: Solve for x
    x = 574,825,754.61/31,775.08
  6. Step 6: Final answer
    x = 18,090.46

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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.