Home / 43,018.35-64,517.85-18,086.55

Finding the Fourth Proportional to 43,018.35, 64,517.85 and 18,086.55

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Solution

The fourth proportional to 43,018.35, 64,517.85 and 18,086.55 is: 27,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018.35 : 64,517.85 = 18,086.55 : x
  2. Step 2: Convert to fraction form
    43,018.35/64,517.85 = 18,086.55/x
  3. Step 3: Cross multiply
    43,018.35x = 64,517.85 × 18,086.55
  4. Step 4: Simplify right side
    43,018.35x = 1,166,905,319.92
  5. Step 5: Solve for x
    x = 1,166,905,319.92/43,018.35
  6. Step 6: Final answer
    x = 27,125.76

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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.