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Finding the Fourth Proportional to 44,635.84, 66,960 and 15,062.20

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Solution

The fourth proportional to 44,635.84, 66,960 and 15,062.20 is: 22,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,635.84 : 66,960 = 15,062.20 : x
  2. Step 2: Convert to fraction form
    44,635.84/66,960 = 15,062.20/x
  3. Step 3: Cross multiply
    44,635.84x = 66,960 × 15,062.20
  4. Step 4: Simplify right side
    44,635.84x = 1,008,564,912
  5. Step 5: Solve for x
    x = 1,008,564,912/44,635.84
  6. Step 6: Final answer
    x = 22,595.41

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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.