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Finding the Fourth Proportional to 45,635.72, 62,978.34 and 25,492.52

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Solution

The fourth proportional to 45,635.72, 62,978.34 and 25,492.52 is: 35,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.72 : 62,978.34 = 25,492.52 : x
  2. Step 2: Convert to fraction form
    45,635.72/62,978.34 = 25,492.52/x
  3. Step 3: Cross multiply
    45,635.72x = 62,978.34 × 25,492.52
  4. Step 4: Simplify right side
    45,635.72x = 1,605,476,592.02
  5. Step 5: Solve for x
    x = 1,605,476,592.02/45,635.72
  6. Step 6: Final answer
    x = 35,180.26

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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.