Home / 50,935.43-70,290.28-28,274.60

Finding the Fourth Proportional to 50,935.43, 70,290.28 and 28,274.60

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Solution

The fourth proportional to 50,935.43, 70,290.28 and 28,274.60 is: 39,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.43 : 70,290.28 = 28,274.60 : x
  2. Step 2: Convert to fraction form
    50,935.43/70,290.28 = 28,274.60/x
  3. Step 3: Cross multiply
    50,935.43x = 70,290.28 × 28,274.60
  4. Step 4: Simplify right side
    50,935.43x = 1,987,429,761.96
  5. Step 5: Solve for x
    x = 1,987,429,761.96/50,935.43
  6. Step 6: Final answer
    x = 39,018.61

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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.