Home / 31,383.86-43,317.19-17,962.85

Finding the Fourth Proportional to 31,383.86, 43,317.19 and 17,962.85

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Solution

The fourth proportional to 31,383.86, 43,317.19 and 17,962.85 is: 24,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.86 : 43,317.19 = 17,962.85 : x
  2. Step 2: Convert to fraction form
    31,383.86/43,317.19 = 17,962.85/x
  3. Step 3: Cross multiply
    31,383.86x = 43,317.19 × 17,962.85
  4. Step 4: Simplify right side
    31,383.86x = 778,100,249.78
  5. Step 5: Solve for x
    x = 778,100,249.78/31,383.86
  6. Step 6: Final answer
    x = 24,793.01

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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.