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Finding the Fourth Proportional to 33,687.69, 46,491.13 and 19,352.00

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Solution

The fourth proportional to 33,687.69, 46,491.13 and 19,352.00 is: 26,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.69 : 46,491.13 = 19,352.00 : x
  2. Step 2: Convert to fraction form
    33,687.69/46,491.13 = 19,352.00/x
  3. Step 3: Cross multiply
    33,687.69x = 46,491.13 × 19,352.00
  4. Step 4: Simplify right side
    33,687.69x = 899,696,488.18
  5. Step 5: Solve for x
    x = 899,696,488.18/33,687.69
  6. Step 6: Final answer
    x = 26,706.98

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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.