Home / 51,420.99-77,006.97-35,581.62

Finding the Fourth Proportional to 51,420.99, 77,006.97 and 35,581.62

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Solution

The fourth proportional to 51,420.99, 77,006.97 and 35,581.62 is: 53,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.99 : 77,006.97 = 35,581.62 : x
  2. Step 2: Convert to fraction form
    51,420.99/77,006.97 = 35,581.62/x
  3. Step 3: Cross multiply
    51,420.99x = 77,006.97 × 35,581.62
  4. Step 4: Simplify right side
    51,420.99x = 2,740,032,743.89
  5. Step 5: Solve for x
    x = 2,740,032,743.89/51,420.99
  6. Step 6: Final answer
    x = 53,286.27

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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.