Home / 40,487.14-60,748.26-21,745.30

Finding the Fourth Proportional to 40,487.14, 60,748.26 and 21,745.30

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Solution

The fourth proportional to 40,487.14, 60,748.26 and 21,745.30 is: 32,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.14 : 60,748.26 = 21,745.30 : x
  2. Step 2: Convert to fraction form
    40,487.14/60,748.26 = 21,745.30/x
  3. Step 3: Cross multiply
    40,487.14x = 60,748.26 × 21,745.30
  4. Step 4: Simplify right side
    40,487.14x = 1,320,989,138.18
  5. Step 5: Solve for x
    x = 1,320,989,138.18/40,487.14
  6. Step 6: Final answer
    x = 32,627.38

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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.