Home / 51,591.78-71,197.44-28,935.72

Finding the Fourth Proportional to 51,591.78, 71,197.44 and 28,935.72

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Solution

The fourth proportional to 51,591.78, 71,197.44 and 28,935.72 is: 39,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.78 : 71,197.44 = 28,935.72 : x
  2. Step 2: Convert to fraction form
    51,591.78/71,197.44 = 28,935.72/x
  3. Step 3: Cross multiply
    51,591.78x = 71,197.44 × 28,935.72
  4. Step 4: Simplify right side
    51,591.78x = 2,060,149,188.56
  5. Step 5: Solve for x
    x = 2,060,149,188.56/51,591.78
  6. Step 6: Final answer
    x = 39,931.73

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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.