Home / 43,349.04-65,016.18-12,177

Finding the Fourth Proportional to 43,349.04, 65,016.18 and 12,177

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Solution

The fourth proportional to 43,349.04, 65,016.18 and 12,177 is: 18,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,349.04 : 65,016.18 = 12,177 : x
  2. Step 2: Convert to fraction form
    43,349.04/65,016.18 = 12,177/x
  3. Step 3: Cross multiply
    43,349.04x = 65,016.18 × 12,177
  4. Step 4: Simplify right side
    43,349.04x = 791,702,023.86
  5. Step 5: Solve for x
    x = 791,702,023.86/43,349.04
  6. Step 6: Final answer
    x = 18,263.43

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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.