Home / 55,629.39-76,775.00-31,759.50

Finding the Fourth Proportional to 55,629.39, 76,775.00 and 31,759.50

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Solution

The fourth proportional to 55,629.39, 76,775.00 and 31,759.50 is: 43,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.39 : 76,775.00 = 31,759.50 : x
  2. Step 2: Convert to fraction form
    55,629.39/76,775.00 = 31,759.50/x
  3. Step 3: Cross multiply
    55,629.39x = 76,775.00 × 31,759.50
  4. Step 4: Simplify right side
    55,629.39x = 2,438,335,453.70
  5. Step 5: Solve for x
    x = 2,438,335,453.70/55,629.39
  6. Step 6: Final answer
    x = 43,831.78

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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.