Home / 34,581.78-51,741.41-21,401.46

Finding the Fourth Proportional to 34,581.78, 51,741.41 and 21,401.46

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Solution

The fourth proportional to 34,581.78, 51,741.41 and 21,401.46 is: 32,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,581.78 : 51,741.41 = 21,401.46 : x
  2. Step 2: Convert to fraction form
    34,581.78/51,741.41 = 21,401.46/x
  3. Step 3: Cross multiply
    34,581.78x = 51,741.41 × 21,401.46
  4. Step 4: Simplify right side
    34,581.78x = 1,107,341,609.45
  5. Step 5: Solve for x
    x = 1,107,341,609.45/34,581.78
  6. Step 6: Final answer
    x = 32,020.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.