Home / 40,763.63-61,144-11,180.99

Finding the Fourth Proportional to 40,763.63, 61,144 and 11,180.99

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Solution

The fourth proportional to 40,763.63, 61,144 and 11,180.99 is: 16,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.63 : 61,144 = 11,180.99 : x
  2. Step 2: Convert to fraction form
    40,763.63/61,144 = 11,180.99/x
  3. Step 3: Cross multiply
    40,763.63x = 61,144 × 11,180.99
  4. Step 4: Simplify right side
    40,763.63x = 683,650,452.56
  5. Step 5: Solve for x
    x = 683,650,452.56/40,763.63
  6. Step 6: Final answer
    x = 16,771.09

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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.