Home / 40,796.84-61,181.40-14,136.61

Finding the Fourth Proportional to 40,796.84, 61,181.40 and 14,136.61

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Solution

The fourth proportional to 40,796.84, 61,181.40 and 14,136.61 is: 21,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,796.84 : 61,181.40 = 14,136.61 : x
  2. Step 2: Convert to fraction form
    40,796.84/61,181.40 = 14,136.61/x
  3. Step 3: Cross multiply
    40,796.84x = 61,181.40 × 14,136.61
  4. Step 4: Simplify right side
    40,796.84x = 864,897,402.76
  5. Step 5: Solve for x
    x = 864,897,402.76/40,796.84
  6. Step 6: Final answer
    x = 21,200.11

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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.