Home / 56,138.66-84,163.64-28,043.27

Finding the Fourth Proportional to 56,138.66, 84,163.64 and 28,043.27

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Solution

The fourth proportional to 56,138.66, 84,163.64 and 28,043.27 is: 42,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.66 : 84,163.64 = 28,043.27 : x
  2. Step 2: Convert to fraction form
    56,138.66/84,163.64 = 28,043.27/x
  3. Step 3: Cross multiply
    56,138.66x = 84,163.64 × 28,043.27
  4. Step 4: Simplify right side
    56,138.66x = 2,360,223,119.67
  5. Step 5: Solve for x
    x = 2,360,223,119.67/56,138.66
  6. Step 6: Final answer
    x = 42,042.74

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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.