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Finding the Fourth Proportional to 29,398.88, 44,103.79 and 9,678.22

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Solution

The fourth proportional to 29,398.88, 44,103.79 and 9,678.22 is: 14,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.88 : 44,103.79 = 9,678.22 : x
  2. Step 2: Convert to fraction form
    29,398.88/44,103.79 = 9,678.22/x
  3. Step 3: Cross multiply
    29,398.88x = 44,103.79 × 9,678.22
  4. Step 4: Simplify right side
    29,398.88x = 426,846,084.29
  5. Step 5: Solve for x
    x = 426,846,084.29/29,398.88
  6. Step 6: Final answer
    x = 14,519.13

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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.