Home / 55,340.94-76,371.71-30,190.42

Finding the Fourth Proportional to 55,340.94, 76,371.71 and 30,190.42

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Solution

The fourth proportional to 55,340.94, 76,371.71 and 30,190.42 is: 41,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.94 : 76,371.71 = 30,190.42 : x
  2. Step 2: Convert to fraction form
    55,340.94/76,371.71 = 30,190.42/x
  3. Step 3: Cross multiply
    55,340.94x = 76,371.71 × 30,190.42
  4. Step 4: Simplify right side
    55,340.94x = 2,305,694,001.02
  5. Step 5: Solve for x
    x = 2,305,694,001.02/55,340.94
  6. Step 6: Final answer
    x = 41,663.44

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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.