Home / 55,170.26-76,134.61-30,019.86

Finding the Fourth Proportional to 55,170.26, 76,134.61 and 30,019.86

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Solution

The fourth proportional to 55,170.26, 76,134.61 and 30,019.86 is: 41,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.26 : 76,134.61 = 30,019.86 : x
  2. Step 2: Convert to fraction form
    55,170.26/76,134.61 = 30,019.86/x
  3. Step 3: Cross multiply
    55,170.26x = 76,134.61 × 30,019.86
  4. Step 4: Simplify right side
    55,170.26x = 2,285,550,333.35
  5. Step 5: Solve for x
    x = 2,285,550,333.35/55,170.26
  6. Step 6: Final answer
    x = 41,427.22

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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.