Home / 38,512.10-57,768.15-21,923.30

Finding the Fourth Proportional to 38,512.10, 57,768.15 and 21,923.30

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Solution

The fourth proportional to 38,512.10, 57,768.15 and 21,923.30 is: 32,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.10 : 57,768.15 = 21,923.30 : x
  2. Step 2: Convert to fraction form
    38,512.10/57,768.15 = 21,923.30/x
  3. Step 3: Cross multiply
    38,512.10x = 57,768.15 × 21,923.30
  4. Step 4: Simplify right side
    38,512.10x = 1,266,468,482.90
  5. Step 5: Solve for x
    x = 1,266,468,482.90/38,512.10
  6. Step 6: Final answer
    x = 32,884.95

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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.