Home / 47,705.84-71,577.60-18,131.52

Finding the Fourth Proportional to 47,705.84, 71,577.60 and 18,131.52

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Solution

The fourth proportional to 47,705.84, 71,577.60 and 18,131.52 is: 27,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.84 : 71,577.60 = 18,131.52 : x
  2. Step 2: Convert to fraction form
    47,705.84/71,577.60 = 18,131.52/x
  3. Step 3: Cross multiply
    47,705.84x = 71,577.60 × 18,131.52
  4. Step 4: Simplify right side
    47,705.84x = 1,297,810,685.95
  5. Step 5: Solve for x
    x = 1,297,810,685.95/47,705.84
  6. Step 6: Final answer
    x = 27,204.44

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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.