Home / 42,824.82-64,233.99-13,242.84

Finding the Fourth Proportional to 42,824.82, 64,233.99 and 13,242.84

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Solution

The fourth proportional to 42,824.82, 64,233.99 and 13,242.84 is: 19,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.82 : 64,233.99 = 13,242.84 : x
  2. Step 2: Convert to fraction form
    42,824.82/64,233.99 = 13,242.84/x
  3. Step 3: Cross multiply
    42,824.82x = 64,233.99 × 13,242.84
  4. Step 4: Simplify right side
    42,824.82x = 850,640,452.13
  5. Step 5: Solve for x
    x = 850,640,452.13/42,824.82
  6. Step 6: Final answer
    x = 19,863.26

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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.