Home / 42,736.14-64,104.21-11,571.39

Finding the Fourth Proportional to 42,736.14, 64,104.21 and 11,571.39

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Solution

The fourth proportional to 42,736.14, 64,104.21 and 11,571.39 is: 17,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736.14 : 64,104.21 = 11,571.39 : x
  2. Step 2: Convert to fraction form
    42,736.14/64,104.21 = 11,571.39/x
  3. Step 3: Cross multiply
    42,736.14x = 64,104.21 × 11,571.39
  4. Step 4: Simplify right side
    42,736.14x = 741,774,814.55
  5. Step 5: Solve for x
    x = 741,774,814.55/42,736.14
  6. Step 6: Final answer
    x = 17,357.09

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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.