Home / 50,295.42-75,406.68-20,702.88

Finding the Fourth Proportional to 50,295.42, 75,406.68 and 20,702.88

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Solution

The fourth proportional to 50,295.42, 75,406.68 and 20,702.88 is: 31,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.42 : 75,406.68 = 20,702.88 : x
  2. Step 2: Convert to fraction form
    50,295.42/75,406.68 = 20,702.88/x
  3. Step 3: Cross multiply
    50,295.42x = 75,406.68 × 20,702.88
  4. Step 4: Simplify right side
    50,295.42x = 1,561,135,447.24
  5. Step 5: Solve for x
    x = 1,561,135,447.24/50,295.42
  6. Step 6: Final answer
    x = 31,039.32

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1.5x scale

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.