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Finding the Fourth Proportional to 29,649.60, 44,461.44 and 8,869.12

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Solution

The fourth proportional to 29,649.60, 44,461.44 and 8,869.12 is: 13,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.60 : 44,461.44 = 8,869.12 : x
  2. Step 2: Convert to fraction form
    29,649.60/44,461.44 = 8,869.12/x
  3. Step 3: Cross multiply
    29,649.60x = 44,461.44 × 8,869.12
  4. Step 4: Simplify right side
    29,649.60x = 394,333,846.73
  5. Step 5: Solve for x
    x = 394,333,846.73/29,649.60
  6. Step 6: Final answer
    x = 13,299.80

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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.