Home / 55,134.44-76,053.39-40,009.50

Finding the Fourth Proportional to 55,134.44, 76,053.39 and 40,009.50

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Solution

The fourth proportional to 55,134.44, 76,053.39 and 40,009.50 is: 55,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.44 : 76,053.39 = 40,009.50 : x
  2. Step 2: Convert to fraction form
    55,134.44/76,053.39 = 40,009.50/x
  3. Step 3: Cross multiply
    55,134.44x = 76,053.39 × 40,009.50
  4. Step 4: Simplify right side
    55,134.44x = 3,042,858,107.21
  5. Step 5: Solve for x
    x = 3,042,858,107.21/55,134.44
  6. Step 6: Final answer
    x = 55,189.79

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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.