Home / 55,169.76-76,134.42-30,019.26

Finding the Fourth Proportional to 55,169.76, 76,134.42 and 30,019.26

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Solution

The fourth proportional to 55,169.76, 76,134.42 and 30,019.26 is: 41,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.76 : 76,134.42 = 30,019.26 : x
  2. Step 2: Convert to fraction form
    55,169.76/76,134.42 = 30,019.26/x
  3. Step 3: Cross multiply
    55,169.76x = 76,134.42 × 30,019.26
  4. Step 4: Simplify right side
    55,169.76x = 2,285,498,948.93
  5. Step 5: Solve for x
    x = 2,285,498,948.93/55,169.76
  6. Step 6: Final answer
    x = 41,426.66

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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.