Home / 31,564.22-47,310.28-19,723.43

Finding the Fourth Proportional to 31,564.22, 47,310.28 and 19,723.43

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Solution

The fourth proportional to 31,564.22, 47,310.28 and 19,723.43 is: 29,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.22 : 47,310.28 = 19,723.43 : x
  2. Step 2: Convert to fraction form
    31,564.22/47,310.28 = 19,723.43/x
  3. Step 3: Cross multiply
    31,564.22x = 47,310.28 × 19,723.43
  4. Step 4: Simplify right side
    31,564.22x = 933,121,064.83
  5. Step 5: Solve for x
    x = 933,121,064.83/31,564.22
  6. Step 6: Final answer
    x = 29,562.63

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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.