Home / 55,625.39-76,763.41-30,131.76

Finding the Fourth Proportional to 55,625.39, 76,763.41 and 30,131.76

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Solution

The fourth proportional to 55,625.39, 76,763.41 and 30,131.76 is: 41,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.39 : 76,763.41 = 30,131.76 : x
  2. Step 2: Convert to fraction form
    55,625.39/76,763.41 = 30,131.76/x
  3. Step 3: Cross multiply
    55,625.39x = 76,763.41 × 30,131.76
  4. Step 4: Simplify right side
    55,625.39x = 2,313,016,571.57
  5. Step 5: Solve for x
    x = 2,313,016,571.57/55,625.39
  6. Step 6: Final answer
    x = 41,582.03

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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.