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Finding the Fourth Proportional to 45,244, 62,439.60 and 25,372

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Solution

The fourth proportional to 45,244, 62,439.60 and 25,372 is: 35,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,244 : 62,439.60 = 25,372 : x
  2. Step 2: Convert to fraction form
    45,244/62,439.60 = 25,372/x
  3. Step 3: Cross multiply
    45,244x = 62,439.60 × 25,372
  4. Step 4: Simplify right side
    45,244x = 1,584,217,531.20
  5. Step 5: Solve for x
    x = 1,584,217,531.20/45,244
  6. Step 6: Final answer
    x = 35,014.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.