Home / 38,190.40-57,328.80-22,616.80

Finding the Fourth Proportional to 38,190.40, 57,328.80 and 22,616.80

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Solution

The fourth proportional to 38,190.40, 57,328.80 and 22,616.80 is: 33,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.40 : 57,328.80 = 22,616.80 : x
  2. Step 2: Convert to fraction form
    38,190.40/57,328.80 = 22,616.80/x
  3. Step 3: Cross multiply
    38,190.40x = 57,328.80 × 22,616.80
  4. Step 4: Simplify right side
    38,190.40x = 1,296,594,003.84
  5. Step 5: Solve for x
    x = 1,296,594,003.84/38,190.40
  6. Step 6: Final answer
    x = 33,950.78

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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.