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Finding the Fourth Proportional to 44,560.84, 66,854.46 and 16,861

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Solution

The fourth proportional to 44,560.84, 66,854.46 and 16,861 is: 25,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,560.84 : 66,854.46 = 16,861 : x
  2. Step 2: Convert to fraction form
    44,560.84/66,854.46 = 16,861/x
  3. Step 3: Cross multiply
    44,560.84x = 66,854.46 × 16,861
  4. Step 4: Simplify right side
    44,560.84x = 1,127,233,050.06
  5. Step 5: Solve for x
    x = 1,127,233,050.06/44,560.84
  6. Step 6: Final answer
    x = 25,296.49

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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.