Home / 31,345.85-43,249.75-17,734.16

Finding the Fourth Proportional to 31,345.85, 43,249.75 and 17,734.16

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Solution

The fourth proportional to 31,345.85, 43,249.75 and 17,734.16 is: 24,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.85 : 43,249.75 = 17,734.16 : x
  2. Step 2: Convert to fraction form
    31,345.85/43,249.75 = 17,734.16/x
  3. Step 3: Cross multiply
    31,345.85x = 43,249.75 × 17,734.16
  4. Step 4: Simplify right side
    31,345.85x = 766,998,050.25
  5. Step 5: Solve for x
    x = 766,998,050.25/31,345.85
  6. Step 6: Final answer
    x = 24,468.88

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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.