Home / 29,968.80-44,917.20-12,429.60

Finding the Fourth Proportional to 29,968.80, 44,917.20 and 12,429.60

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Solution

The fourth proportional to 29,968.80, 44,917.20 and 12,429.60 is: 18,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,968.80 : 44,917.20 = 12,429.60 : x
  2. Step 2: Convert to fraction form
    29,968.80/44,917.20 = 12,429.60/x
  3. Step 3: Cross multiply
    29,968.80x = 44,917.20 × 12,429.60
  4. Step 4: Simplify right side
    29,968.80x = 558,302,829.12
  5. Step 5: Solve for x
    x = 558,302,829.12/29,968.80
  6. Step 6: Final answer
    x = 18,629.47

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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.