Home / 36,042.21-49,736.19-21,522.78

Finding the Fourth Proportional to 36,042.21, 49,736.19 and 21,522.78

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Solution

The fourth proportional to 36,042.21, 49,736.19 and 21,522.78 is: 29,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.21 : 49,736.19 = 21,522.78 : x
  2. Step 2: Convert to fraction form
    36,042.21/49,736.19 = 21,522.78/x
  3. Step 3: Cross multiply
    36,042.21x = 49,736.19 × 21,522.78
  4. Step 4: Simplify right side
    36,042.21x = 1,070,461,028.78
  5. Step 5: Solve for x
    x = 1,070,461,028.78/36,042.21
  6. Step 6: Final answer
    x = 29,700.21

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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.