Home / 55,213.08-76,194.41-31,340.15

Finding the Fourth Proportional to 55,213.08, 76,194.41 and 31,340.15

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Solution

The fourth proportional to 55,213.08, 76,194.41 and 31,340.15 is: 43,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.08 : 76,194.41 = 31,340.15 : x
  2. Step 2: Convert to fraction form
    55,213.08/76,194.41 = 31,340.15/x
  3. Step 3: Cross multiply
    55,213.08x = 76,194.41 × 31,340.15
  4. Step 4: Simplify right side
    55,213.08x = 2,387,944,238.56
  5. Step 5: Solve for x
    x = 2,387,944,238.56/55,213.08
  6. Step 6: Final answer
    x = 43,249.61

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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.