Home / 50,320.46-75,514.64-20,737.64

Finding the Fourth Proportional to 50,320.46, 75,514.64 and 20,737.64

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Solution

The fourth proportional to 50,320.46, 75,514.64 and 20,737.64 is: 31,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,320.46 : 75,514.64 = 20,737.64 : x
  2. Step 2: Convert to fraction form
    50,320.46/75,514.64 = 20,737.64/x
  3. Step 3: Cross multiply
    50,320.46x = 75,514.64 × 20,737.64
  4. Step 4: Simplify right side
    50,320.46x = 1,565,995,504.15
  5. Step 5: Solve for x
    x = 1,565,995,504.15/50,320.46
  6. Step 6: Final answer
    x = 31,120.45

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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.