Home / 37,226.80-55,840.20-21,480.40

Finding the Fourth Proportional to 37,226.80, 55,840.20 and 21,480.40

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Solution

The fourth proportional to 37,226.80, 55,840.20 and 21,480.40 is: 32,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,226.80 : 55,840.20 = 21,480.40 : x
  2. Step 2: Convert to fraction form
    37,226.80/55,840.20 = 21,480.40/x
  3. Step 3: Cross multiply
    37,226.80x = 55,840.20 × 21,480.40
  4. Step 4: Simplify right side
    37,226.80x = 1,199,469,832.08
  5. Step 5: Solve for x
    x = 1,199,469,832.08/37,226.80
  6. Step 6: Final answer
    x = 32,220.60

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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.