Home / 56,340.44-77,679.24-36,161.72

Finding the Fourth Proportional to 56,340.44, 77,679.24 and 36,161.72

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Solution

The fourth proportional to 56,340.44, 77,679.24 and 36,161.72 is: 49,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.44 : 77,679.24 = 36,161.72 : x
  2. Step 2: Convert to fraction form
    56,340.44/77,679.24 = 36,161.72/x
  3. Step 3: Cross multiply
    56,340.44x = 77,679.24 × 36,161.72
  4. Step 4: Simplify right side
    56,340.44x = 2,809,014,926.69
  5. Step 5: Solve for x
    x = 2,809,014,926.69/56,340.44
  6. Step 6: Final answer
    x = 49,857.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.