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Finding the Fourth Proportional to 63,792.51, 95,702.60 and 19,418.11

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Solution

The fourth proportional to 63,792.51, 95,702.60 and 19,418.11 is: 29,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,792.51 : 95,702.60 = 19,418.11 : x
  2. Step 2: Convert to fraction form
    63,792.51/95,702.60 = 19,418.11/x
  3. Step 3: Cross multiply
    63,792.51x = 95,702.60 × 19,418.11
  4. Step 4: Simplify right side
    63,792.51x = 1,858,363,423.37
  5. Step 5: Solve for x
    x = 1,858,363,423.37/63,792.51
  6. Step 6: Final answer
    x = 29,131.37

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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.