Home / 29,019.72-43,396.54-21,629.32

Finding the Fourth Proportional to 29,019.72, 43,396.54 and 21,629.32

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Solution

The fourth proportional to 29,019.72, 43,396.54 and 21,629.32 is: 32,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.72 : 43,396.54 = 21,629.32 : x
  2. Step 2: Convert to fraction form
    29,019.72/43,396.54 = 21,629.32/x
  3. Step 3: Cross multiply
    29,019.72x = 43,396.54 × 21,629.32
  4. Step 4: Simplify right side
    29,019.72x = 938,637,650.55
  5. Step 5: Solve for x
    x = 938,637,650.55/29,019.72
  6. Step 6: Final answer
    x = 32,344.82

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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.