Home / 50,269.02-69,372.40-28,760.78

Finding the Fourth Proportional to 50,269.02, 69,372.40 and 28,760.78

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Solution

The fourth proportional to 50,269.02, 69,372.40 and 28,760.78 is: 39,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,269.02 : 69,372.40 = 28,760.78 : x
  2. Step 2: Convert to fraction form
    50,269.02/69,372.40 = 28,760.78/x
  3. Step 3: Cross multiply
    50,269.02x = 69,372.40 × 28,760.78
  4. Step 4: Simplify right side
    50,269.02x = 1,995,204,334.47
  5. Step 5: Solve for x
    x = 1,995,204,334.47/50,269.02
  6. Step 6: Final answer
    x = 39,690.54

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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.