Home / 36,549.43-54,841.15-19,889.65

Finding the Fourth Proportional to 36,549.43, 54,841.15 and 19,889.65

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Solution

The fourth proportional to 36,549.43, 54,841.15 and 19,889.65 is: 29,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,549.43 : 54,841.15 = 19,889.65 : x
  2. Step 2: Convert to fraction form
    36,549.43/54,841.15 = 19,889.65/x
  3. Step 3: Cross multiply
    36,549.43x = 54,841.15 × 19,889.65
  4. Step 4: Simplify right side
    36,549.43x = 1,090,771,372.51
  5. Step 5: Solve for x
    x = 1,090,771,372.51/36,549.43
  6. Step 6: Final answer
    x = 29,843.73

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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.