Home / 34,396.64-47,442.16-21,637.44

Finding the Fourth Proportional to 34,396.64, 47,442.16 and 21,637.44

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Solution

The fourth proportional to 34,396.64, 47,442.16 and 21,637.44 is: 29,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.64 : 47,442.16 = 21,637.44 : x
  2. Step 2: Convert to fraction form
    34,396.64/47,442.16 = 21,637.44/x
  3. Step 3: Cross multiply
    34,396.64x = 47,442.16 × 21,637.44
  4. Step 4: Simplify right side
    34,396.64x = 1,026,526,890.47
  5. Step 5: Solve for x
    x = 1,026,526,890.47/34,396.64
  6. Step 6: Final answer
    x = 29,843.81

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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.