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Finding the Fourth Proportional to 29,390.67, 44,089.05 and 9,669.20

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Solution

The fourth proportional to 29,390.67, 44,089.05 and 9,669.20 is: 14,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.67 : 44,089.05 = 9,669.20 : x
  2. Step 2: Convert to fraction form
    29,390.67/44,089.05 = 9,669.20/x
  3. Step 3: Cross multiply
    29,390.67x = 44,089.05 × 9,669.20
  4. Step 4: Simplify right side
    29,390.67x = 426,305,842.26
  5. Step 5: Solve for x
    x = 426,305,842.26/29,390.67
  6. Step 6: Final answer
    x = 14,504.80

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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.