Home / 31,378.13-47,067.32-22,059.86

Finding the Fourth Proportional to 31,378.13, 47,067.32 and 22,059.86

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Solution

The fourth proportional to 31,378.13, 47,067.32 and 22,059.86 is: 33,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378.13 : 47,067.32 = 22,059.86 : x
  2. Step 2: Convert to fraction form
    31,378.13/47,067.32 = 22,059.86/x
  3. Step 3: Cross multiply
    31,378.13x = 47,067.32 × 22,059.86
  4. Step 4: Simplify right side
    31,378.13x = 1,038,298,379.48
  5. Step 5: Solve for x
    x = 1,038,298,379.48/31,378.13
  6. Step 6: Final answer
    x = 33,089.87

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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.