Home / 81,941.28-122,924.88-29,349.60

Finding the Fourth Proportional to 81,941.28, 122,924.88 and 29,349.60

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Solution

The fourth proportional to 81,941.28, 122,924.88 and 29,349.60 is: 44,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.28 : 122,924.88 = 29,349.60 : x
  2. Step 2: Convert to fraction form
    81,941.28/122,924.88 = 29,349.60/x
  3. Step 3: Cross multiply
    81,941.28x = 122,924.88 × 29,349.60
  4. Step 4: Simplify right side
    81,941.28x = 3,607,796,058.05
  5. Step 5: Solve for x
    x = 3,607,796,058.05/81,941.28
  6. Step 6: Final answer
    x = 44,029.04

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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.