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Finding the Fourth Proportional to 44,872.98, 67,230.45 and 39,986.10

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Solution

The fourth proportional to 44,872.98, 67,230.45 and 39,986.10 is: 59,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,872.98 : 67,230.45 = 39,986.10 : x
  2. Step 2: Convert to fraction form
    44,872.98/67,230.45 = 39,986.10/x
  3. Step 3: Cross multiply
    44,872.98x = 67,230.45 × 39,986.10
  4. Step 4: Simplify right side
    44,872.98x = 2,688,283,496.75
  5. Step 5: Solve for x
    x = 2,688,283,496.75/44,872.98
  6. Step 6: Final answer
    x = 59,908.74

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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.