Home / 55,486.68-76,571.94-30,336.18

Finding the Fourth Proportional to 55,486.68, 76,571.94 and 30,336.18

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Solution

The fourth proportional to 55,486.68, 76,571.94 and 30,336.18 is: 41,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.68 : 76,571.94 = 30,336.18 : x
  2. Step 2: Convert to fraction form
    55,486.68/76,571.94 = 30,336.18/x
  3. Step 3: Cross multiply
    55,486.68x = 76,571.94 × 30,336.18
  4. Step 4: Simplify right side
    55,486.68x = 2,322,900,154.79
  5. Step 5: Solve for x
    x = 2,322,900,154.79/55,486.68
  6. Step 6: Final answer
    x = 41,864.10

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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.