Home / 50,532.10-75,737.40-20,934.70

Finding the Fourth Proportional to 50,532.10, 75,737.40 and 20,934.70

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Solution

The fourth proportional to 50,532.10, 75,737.40 and 20,934.70 is: 31,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,532.10 : 75,737.40 = 20,934.70 : x
  2. Step 2: Convert to fraction form
    50,532.10/75,737.40 = 20,934.70/x
  3. Step 3: Cross multiply
    50,532.10x = 75,737.40 × 20,934.70
  4. Step 4: Simplify right side
    50,532.10x = 1,585,539,747.78
  5. Step 5: Solve for x
    x = 1,585,539,747.78/50,532.10
  6. Step 6: Final answer
    x = 31,376.88

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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.