Home / 31,224.20-46,836.30-20,726.60

Finding the Fourth Proportional to 31,224.20, 46,836.30 and 20,726.60

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Solution

The fourth proportional to 31,224.20, 46,836.30 and 20,726.60 is: 31,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.20 : 46,836.30 = 20,726.60 : x
  2. Step 2: Convert to fraction form
    31,224.20/46,836.30 = 20,726.60/x
  3. Step 3: Cross multiply
    31,224.20x = 46,836.30 × 20,726.60
  4. Step 4: Simplify right side
    31,224.20x = 970,757,255.58
  5. Step 5: Solve for x
    x = 970,757,255.58/31,224.20
  6. Step 6: Final answer
    x = 31,089.90

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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.