Home / 38,621.16-57,929.82-22,619.70

Finding the Fourth Proportional to 38,621.16, 57,929.82 and 22,619.70

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Solution

The fourth proportional to 38,621.16, 57,929.82 and 22,619.70 is: 33,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.16 : 57,929.82 = 22,619.70 : x
  2. Step 2: Convert to fraction form
    38,621.16/57,929.82 = 22,619.70/x
  3. Step 3: Cross multiply
    38,621.16x = 57,929.82 × 22,619.70
  4. Step 4: Simplify right side
    38,621.16x = 1,310,355,149.45
  5. Step 5: Solve for x
    x = 1,310,355,149.45/38,621.16
  6. Step 6: Final answer
    x = 33,928.43

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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.