Home / 55,190.16-76,163.40-30,039.84

Finding the Fourth Proportional to 55,190.16, 76,163.40 and 30,039.84

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Solution

The fourth proportional to 55,190.16, 76,163.40 and 30,039.84 is: 41,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,190.16 : 76,163.40 = 30,039.84 : x
  2. Step 2: Convert to fraction form
    55,190.16/76,163.40 = 30,039.84/x
  3. Step 3: Cross multiply
    55,190.16x = 76,163.40 × 30,039.84
  4. Step 4: Simplify right side
    55,190.16x = 2,287,936,349.86
  5. Step 5: Solve for x
    x = 2,287,936,349.86/55,190.16
  6. Step 6: Final answer
    x = 41,455.51

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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.