Home / 38,234.80-57,190.20-34,314.40

Finding the Fourth Proportional to 38,234.80, 57,190.20 and 34,314.40

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Solution

The fourth proportional to 38,234.80, 57,190.20 and 34,314.40 is: 51,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234.80 : 57,190.20 = 34,314.40 : x
  2. Step 2: Convert to fraction form
    38,234.80/57,190.20 = 34,314.40/x
  3. Step 3: Cross multiply
    38,234.80x = 57,190.20 × 34,314.40
  4. Step 4: Simplify right side
    38,234.80x = 1,962,447,398.88
  5. Step 5: Solve for x
    x = 1,962,447,398.88/38,234.80
  6. Step 6: Final answer
    x = 51,326.21

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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.