Home / 55,151.56-76,109.22-30,001

Finding the Fourth Proportional to 55,151.56, 76,109.22 and 30,001

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Solution

The fourth proportional to 55,151.56, 76,109.22 and 30,001 is: 41,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.56 : 76,109.22 = 30,001 : x
  2. Step 2: Convert to fraction form
    55,151.56/76,109.22 = 30,001/x
  3. Step 3: Cross multiply
    55,151.56x = 76,109.22 × 30,001
  4. Step 4: Simplify right side
    55,151.56x = 2,283,352,709.22
  5. Step 5: Solve for x
    x = 2,283,352,709.22/55,151.56
  6. Step 6: Final answer
    x = 41,401.42

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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.