Home / 55,616.14-76,749.82-30,121.91

Finding the Fourth Proportional to 55,616.14, 76,749.82 and 30,121.91

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Solution

The fourth proportional to 55,616.14, 76,749.82 and 30,121.91 is: 41,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.14 : 76,749.82 = 30,121.91 : x
  2. Step 2: Convert to fraction form
    55,616.14/76,749.82 = 30,121.91/x
  3. Step 3: Cross multiply
    55,616.14x = 76,749.82 × 30,121.91
  4. Step 4: Simplify right side
    55,616.14x = 2,311,851,170.56
  5. Step 5: Solve for x
    x = 2,311,851,170.56/55,616.14
  6. Step 6: Final answer
    x = 41,567.99

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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.