Home / 51,539.08-77,284.17-19,963.93

Finding the Fourth Proportional to 51,539.08, 77,284.17 and 19,963.93

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Solution

The fourth proportional to 51,539.08, 77,284.17 and 19,963.93 is: 29,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.08 : 77,284.17 = 19,963.93 : x
  2. Step 2: Convert to fraction form
    51,539.08/77,284.17 = 19,963.93/x
  3. Step 3: Cross multiply
    51,539.08x = 77,284.17 × 19,963.93
  4. Step 4: Simplify right side
    51,539.08x = 1,542,895,759.99
  5. Step 5: Solve for x
    x = 1,542,895,759.99/51,539.08
  6. Step 6: Final answer
    x = 29,936.42

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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.