Home / 40,680.84-60,997.12-12,592.56

Finding the Fourth Proportional to 40,680.84, 60,997.12 and 12,592.56

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Solution

The fourth proportional to 40,680.84, 60,997.12 and 12,592.56 is: 18,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.84 : 60,997.12 = 12,592.56 : x
  2. Step 2: Convert to fraction form
    40,680.84/60,997.12 = 12,592.56/x
  3. Step 3: Cross multiply
    40,680.84x = 60,997.12 × 12,592.56
  4. Step 4: Simplify right side
    40,680.84x = 768,109,893.43
  5. Step 5: Solve for x
    x = 768,109,893.43/40,680.84
  6. Step 6: Final answer
    x = 18,881.37

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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.