Home / 51,364.43-77,056.21-18,105.63

Finding the Fourth Proportional to 51,364.43, 77,056.21 and 18,105.63

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Solution

The fourth proportional to 51,364.43, 77,056.21 and 18,105.63 is: 27,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.43 : 77,056.21 = 18,105.63 : x
  2. Step 2: Convert to fraction form
    51,364.43/77,056.21 = 18,105.63/x
  3. Step 3: Cross multiply
    51,364.43x = 77,056.21 × 18,105.63
  4. Step 4: Simplify right side
    51,364.43x = 1,395,150,961.13
  5. Step 5: Solve for x
    x = 1,395,150,961.13/51,364.43
  6. Step 6: Final answer
    x = 27,161.81

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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.