Home / 31,249.48-43,125.42-17,818.56

Finding the Fourth Proportional to 31,249.48, 43,125.42 and 17,818.56

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Solution

The fourth proportional to 31,249.48, 43,125.42 and 17,818.56 is: 24,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.48 : 43,125.42 = 17,818.56 : x
  2. Step 2: Convert to fraction form
    31,249.48/43,125.42 = 17,818.56/x
  3. Step 3: Cross multiply
    31,249.48x = 43,125.42 × 17,818.56
  4. Step 4: Simplify right side
    31,249.48x = 768,432,883.80
  5. Step 5: Solve for x
    x = 768,432,883.80/31,249.48
  6. Step 6: Final answer
    x = 24,590.26

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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.