Home / 29,975.10-41,380.62-18,648.24

Finding the Fourth Proportional to 29,975.10, 41,380.62 and 18,648.24

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Solution

The fourth proportional to 29,975.10, 41,380.62 and 18,648.24 is: 25,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.10 : 41,380.62 = 18,648.24 : x
  2. Step 2: Convert to fraction form
    29,975.10/41,380.62 = 18,648.24/x
  3. Step 3: Cross multiply
    29,975.10x = 41,380.62 × 18,648.24
  4. Step 4: Simplify right side
    29,975.10x = 771,675,733.11
  5. Step 5: Solve for x
    x = 771,675,733.11/29,975.10
  6. Step 6: Final answer
    x = 25,743.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.