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Finding the Fourth Proportional to 44,561.63, 66,871.61 and 16,859.63

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Solution

The fourth proportional to 44,561.63, 66,871.61 and 16,859.63 is: 25,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,561.63 : 66,871.61 = 16,859.63 : x
  2. Step 2: Convert to fraction form
    44,561.63/66,871.61 = 16,859.63/x
  3. Step 3: Cross multiply
    44,561.63x = 66,871.61 × 16,859.63
  4. Step 4: Simplify right side
    44,561.63x = 1,127,430,183.45
  5. Step 5: Solve for x
    x = 1,127,430,183.45/44,561.63
  6. Step 6: Final answer
    x = 25,300.47

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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.