Home / 50,515.56-69,703.20-30,367.62

Finding the Fourth Proportional to 50,515.56, 69,703.20 and 30,367.62

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Solution

The fourth proportional to 50,515.56, 69,703.20 and 30,367.62 is: 41,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.56 : 69,703.20 = 30,367.62 : x
  2. Step 2: Convert to fraction form
    50,515.56/69,703.20 = 30,367.62/x
  3. Step 3: Cross multiply
    50,515.56x = 69,703.20 × 30,367.62
  4. Step 4: Simplify right side
    50,515.56x = 2,116,720,290.38
  5. Step 5: Solve for x
    x = 2,116,720,290.38/50,515.56
  6. Step 6: Final answer
    x = 41,902.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.