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Finding the Fourth Proportional to 50,205.87, 75,318.03 and 40,927.20

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Solution

The fourth proportional to 50,205.87, 75,318.03 and 40,927.20 is: 61,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,205.87 : 75,318.03 = 40,927.20 : x
  2. Step 2: Convert to fraction form
    50,205.87/75,318.03 = 40,927.20/x
  3. Step 3: Cross multiply
    50,205.87x = 75,318.03 × 40,927.20
  4. Step 4: Simplify right side
    50,205.87x = 3,082,556,077.42
  5. Step 5: Solve for x
    x = 3,082,556,077.42/50,205.87
  6. Step 6: Final answer
    x = 61,398.32

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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.