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Finding the Fourth Proportional to 44,605.66, 66,911.01 and 19,657.42

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Solution

The fourth proportional to 44,605.66, 66,911.01 and 19,657.42 is: 29,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,605.66 : 66,911.01 = 19,657.42 : x
  2. Step 2: Convert to fraction form
    44,605.66/66,911.01 = 19,657.42/x
  3. Step 3: Cross multiply
    44,605.66x = 66,911.01 × 19,657.42
  4. Step 4: Simplify right side
    44,605.66x = 1,315,297,826.19
  5. Step 5: Solve for x
    x = 1,315,297,826.19/44,605.66
  6. Step 6: Final answer
    x = 29,487.24

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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.