Home / 31,360.62-47,016.27-21,469.92

Finding the Fourth Proportional to 31,360.62, 47,016.27 and 21,469.92

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Solution

The fourth proportional to 31,360.62, 47,016.27 and 21,469.92 is: 32,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.62 : 47,016.27 = 21,469.92 : x
  2. Step 2: Convert to fraction form
    31,360.62/47,016.27 = 21,469.92/x
  3. Step 3: Cross multiply
    31,360.62x = 47,016.27 × 21,469.92
  4. Step 4: Simplify right side
    31,360.62x = 1,009,435,555.60
  5. Step 5: Solve for x
    x = 1,009,435,555.60/31,360.62
  6. Step 6: Final answer
    x = 32,188.00

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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.