Home / 55,170.14-76,134.78-30,019.82

Finding the Fourth Proportional to 55,170.14, 76,134.78 and 30,019.82

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Solution

The fourth proportional to 55,170.14, 76,134.78 and 30,019.82 is: 41,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.14 : 76,134.78 = 30,019.82 : x
  2. Step 2: Convert to fraction form
    55,170.14/76,134.78 = 30,019.82/x
  3. Step 3: Cross multiply
    55,170.14x = 76,134.78 × 30,019.82
  4. Step 4: Simplify right side
    55,170.14x = 2,285,552,391.34
  5. Step 5: Solve for x
    x = 2,285,552,391.34/55,170.14
  6. Step 6: Final answer
    x = 41,427.34

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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.