Home / 31,634.06-47,443.80-21,836.30

Finding the Fourth Proportional to 31,634.06, 47,443.80 and 21,836.30

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Solution

The fourth proportional to 31,634.06, 47,443.80 and 21,836.30 is: 32,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,634.06 : 47,443.80 = 21,836.30 : x
  2. Step 2: Convert to fraction form
    31,634.06/47,443.80 = 21,836.30/x
  3. Step 3: Cross multiply
    31,634.06x = 47,443.80 × 21,836.30
  4. Step 4: Simplify right side
    31,634.06x = 1,035,997,049.94
  5. Step 5: Solve for x
    x = 1,035,997,049.94/31,634.06
  6. Step 6: Final answer
    x = 32,749.42

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1.5x scale

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.