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Finding the Fourth Proportional to 29,615.56, 44,423.42 and 8,838.60

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Solution

The fourth proportional to 29,615.56, 44,423.42 and 8,838.60 is: 13,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.56 : 44,423.42 = 8,838.60 : x
  2. Step 2: Convert to fraction form
    29,615.56/44,423.42 = 8,838.60/x
  3. Step 3: Cross multiply
    29,615.56x = 44,423.42 × 8,838.60
  4. Step 4: Simplify right side
    29,615.56x = 392,640,840.01
  5. Step 5: Solve for x
    x = 392,640,840.01/29,615.56
  6. Step 6: Final answer
    x = 13,257.92

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1.5x scale

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.