Home / 31,297.86-43,186.82-17,868.26

Finding the Fourth Proportional to 31,297.86, 43,186.82 and 17,868.26

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Solution

The fourth proportional to 31,297.86, 43,186.82 and 17,868.26 is: 24,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.86 : 43,186.82 = 17,868.26 : x
  2. Step 2: Convert to fraction form
    31,297.86/43,186.82 = 17,868.26/x
  3. Step 3: Cross multiply
    31,297.86x = 43,186.82 × 17,868.26
  4. Step 4: Simplify right side
    31,297.86x = 771,673,328.33
  5. Step 5: Solve for x
    x = 771,673,328.33/31,297.86
  6. Step 6: Final answer
    x = 24,655.79

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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.