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Finding the Fourth Proportional to 29,824.99, 44,737.79 and 8,765.40

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Solution

The fourth proportional to 29,824.99, 44,737.79 and 8,765.40 is: 13,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,824.99 : 44,737.79 = 8,765.40 : x
  2. Step 2: Convert to fraction form
    29,824.99/44,737.79 = 8,765.40/x
  3. Step 3: Cross multiply
    29,824.99x = 44,737.79 × 8,765.40
  4. Step 4: Simplify right side
    29,824.99x = 392,144,797.71
  5. Step 5: Solve for x
    x = 392,144,797.71/29,824.99
  6. Step 6: Final answer
    x = 13,148.20

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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.