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Finding the Fourth Proportional to 29,387.70, 44,088.03 and 9,665.46

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Solution

The fourth proportional to 29,387.70, 44,088.03 and 9,665.46 is: 14,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.70 : 44,088.03 = 9,665.46 : x
  2. Step 2: Convert to fraction form
    29,387.70/44,088.03 = 9,665.46/x
  3. Step 3: Cross multiply
    29,387.70x = 44,088.03 × 9,665.46
  4. Step 4: Simplify right side
    29,387.70x = 426,131,090.44
  5. Step 5: Solve for x
    x = 426,131,090.44/29,387.70
  6. Step 6: Final answer
    x = 14,500.32

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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.