Home / 55,921.82-77,188.57-33,276.80

Finding the Fourth Proportional to 55,921.82, 77,188.57 and 33,276.80

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Solution

The fourth proportional to 55,921.82, 77,188.57 and 33,276.80 is: 45,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.82 : 77,188.57 = 33,276.80 : x
  2. Step 2: Convert to fraction form
    55,921.82/77,188.57 = 33,276.80/x
  3. Step 3: Cross multiply
    55,921.82x = 77,188.57 × 33,276.80
  4. Step 4: Simplify right side
    55,921.82x = 2,568,588,592.45
  5. Step 5: Solve for x
    x = 2,568,588,592.45/55,921.82
  6. Step 6: Final answer
    x = 45,931.78

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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.