Home / 55,626.39-76,764.79-30,132.76

Finding the Fourth Proportional to 55,626.39, 76,764.79 and 30,132.76

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Solution

The fourth proportional to 55,626.39, 76,764.79 and 30,132.76 is: 41,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.39 : 76,764.79 = 30,132.76 : x
  2. Step 2: Convert to fraction form
    55,626.39/76,764.79 = 30,132.76/x
  3. Step 3: Cross multiply
    55,626.39x = 76,764.79 × 30,132.76
  4. Step 4: Simplify right side
    55,626.39x = 2,313,134,993.52
  5. Step 5: Solve for x
    x = 2,313,134,993.52/55,626.39
  6. Step 6: Final answer
    x = 41,583.41

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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.