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Finding the Fourth Proportional to 44,010, 66,015 and 19,386

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Solution

The fourth proportional to 44,010, 66,015 and 19,386 is: 29,079

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,010 : 66,015 = 19,386 : x
  2. Step 2: Convert to fraction form
    44,010/66,015 = 19,386/x
  3. Step 3: Cross multiply
    44,010x = 66,015 × 19,386
  4. Step 4: Simplify right side
    44,010x = 1,279,766,790
  5. Step 5: Solve for x
    x = 1,279,766,790/44,010
  6. Step 6: Final answer
    x = 29,079

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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.