Home / 50,850.56-70,178.40-30,717.44

Finding the Fourth Proportional to 50,850.56, 70,178.40 and 30,717.44

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Solution

The fourth proportional to 50,850.56, 70,178.40 and 30,717.44 is: 42,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,850.56 : 70,178.40 = 30,717.44 : x
  2. Step 2: Convert to fraction form
    50,850.56/70,178.40 = 30,717.44/x
  3. Step 3: Cross multiply
    50,850.56x = 70,178.40 × 30,717.44
  4. Step 4: Simplify right side
    50,850.56x = 2,155,700,791.30
  5. Step 5: Solve for x
    x = 2,155,700,791.30/50,850.56
  6. Step 6: Final answer
    x = 42,392.86

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1.5x scale

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.