Home / 43,841.55-65,773.13-12,679.95

Finding the Fourth Proportional to 43,841.55, 65,773.13 and 12,679.95

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Solution

The fourth proportional to 43,841.55, 65,773.13 and 12,679.95 is: 19,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841.55 : 65,773.13 = 12,679.95 : x
  2. Step 2: Convert to fraction form
    43,841.55/65,773.13 = 12,679.95/x
  3. Step 3: Cross multiply
    43,841.55x = 65,773.13 × 12,679.95
  4. Step 4: Simplify right side
    43,841.55x = 833,999,936.34
  5. Step 5: Solve for x
    x = 833,999,936.34/43,841.55
  6. Step 6: Final answer
    x = 19,023.05

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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.