Home / 29,721.72-44,576.34-8,940.60

Finding the Fourth Proportional to 29,721.72, 44,576.34 and 8,940.60

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Solution

The fourth proportional to 29,721.72, 44,576.34 and 8,940.60 is: 13,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.72 : 44,576.34 = 8,940.60 : x
  2. Step 2: Convert to fraction form
    29,721.72/44,576.34 = 8,940.60/x
  3. Step 3: Cross multiply
    29,721.72x = 44,576.34 × 8,940.60
  4. Step 4: Simplify right side
    29,721.72x = 398,539,225.40
  5. Step 5: Solve for x
    x = 398,539,225.40/29,721.72
  6. Step 6: Final answer
    x = 13,409.02

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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.