Home / 36,122.70-54,184.12-19,490.56

Finding the Fourth Proportional to 36,122.70, 54,184.12 and 19,490.56

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Solution

The fourth proportional to 36,122.70, 54,184.12 and 19,490.56 is: 29,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.70 : 54,184.12 = 19,490.56 : x
  2. Step 2: Convert to fraction form
    36,122.70/54,184.12 = 19,490.56/x
  3. Step 3: Cross multiply
    36,122.70x = 54,184.12 × 19,490.56
  4. Step 4: Simplify right side
    36,122.70x = 1,056,078,841.91
  5. Step 5: Solve for x
    x = 1,056,078,841.91/36,122.70
  6. Step 6: Final answer
    x = 29,235.88

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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.