Home / 61,310.98-91,916.84-19,169.38

Finding the Fourth Proportional to 61,310.98, 91,916.84 and 19,169.38

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Solution

The fourth proportional to 61,310.98, 91,916.84 and 19,169.38 is: 28,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,310.98 : 91,916.84 = 19,169.38 : x
  2. Step 2: Convert to fraction form
    61,310.98/91,916.84 = 19,169.38/x
  3. Step 3: Cross multiply
    61,310.98x = 91,916.84 × 19,169.38
  4. Step 4: Simplify right side
    61,310.98x = 1,761,988,834.36
  5. Step 5: Solve for x
    x = 1,761,988,834.36/61,310.98
  6. Step 6: Final answer
    x = 28,738.55

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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.