Home / 55,486.64-76,571.55-30,336.14

Finding the Fourth Proportional to 55,486.64, 76,571.55 and 30,336.14

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Solution

The fourth proportional to 55,486.64, 76,571.55 and 30,336.14 is: 41,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.64 : 76,571.55 = 30,336.14 : x
  2. Step 2: Convert to fraction form
    55,486.64/76,571.55 = 30,336.14/x
  3. Step 3: Cross multiply
    55,486.64x = 76,571.55 × 30,336.14
  4. Step 4: Simplify right side
    55,486.64x = 2,322,885,260.82
  5. Step 5: Solve for x
    x = 2,322,885,260.82/55,486.64
  6. Step 6: Final answer
    x = 41,863.87

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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.