Home / 50,147.40-69,213.69-28,923.78

Finding the Fourth Proportional to 50,147.40, 69,213.69 and 28,923.78

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Solution

The fourth proportional to 50,147.40, 69,213.69 and 28,923.78 is: 39,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,147.40 : 69,213.69 = 28,923.78 : x
  2. Step 2: Convert to fraction form
    50,147.40/69,213.69 = 28,923.78/x
  3. Step 3: Cross multiply
    50,147.40x = 69,213.69 × 28,923.78
  4. Step 4: Simplify right side
    50,147.40x = 2,001,921,542.55
  5. Step 5: Solve for x
    x = 2,001,921,542.55/50,147.40
  6. Step 6: Final answer
    x = 39,920.74

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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.