Home / 50,135.04-75,211.20-20,586.24

Finding the Fourth Proportional to 50,135.04, 75,211.20 and 20,586.24

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Solution

The fourth proportional to 50,135.04, 75,211.20 and 20,586.24 is: 30,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.04 : 75,211.20 = 20,586.24 : x
  2. Step 2: Convert to fraction form
    50,135.04/75,211.20 = 20,586.24/x
  3. Step 3: Cross multiply
    50,135.04x = 75,211.20 × 20,586.24
  4. Step 4: Simplify right side
    50,135.04x = 1,548,315,813.89
  5. Step 5: Solve for x
    x = 1,548,315,813.89/50,135.04
  6. Step 6: Final answer
    x = 30,882.91

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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.