Home / 37,216.80-55,825.20-21,470.40

Finding the Fourth Proportional to 37,216.80, 55,825.20 and 21,470.40

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Solution

The fourth proportional to 37,216.80, 55,825.20 and 21,470.40 is: 32,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,216.80 : 55,825.20 = 21,470.40 : x
  2. Step 2: Convert to fraction form
    37,216.80/55,825.20 = 21,470.40/x
  3. Step 3: Cross multiply
    37,216.80x = 55,825.20 × 21,470.40
  4. Step 4: Simplify right side
    37,216.80x = 1,198,589,374.08
  5. Step 5: Solve for x
    x = 1,198,589,374.08/37,216.80
  6. Step 6: Final answer
    x = 32,205.60

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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.