Home / 50,515.20-75,801.60-19,372.80

Finding the Fourth Proportional to 50,515.20, 75,801.60 and 19,372.80

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Solution

The fourth proportional to 50,515.20, 75,801.60 and 19,372.80 is: 29,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.20 : 75,801.60 = 19,372.80 : x
  2. Step 2: Convert to fraction form
    50,515.20/75,801.60 = 19,372.80/x
  3. Step 3: Cross multiply
    50,515.20x = 75,801.60 × 19,372.80
  4. Step 4: Simplify right side
    50,515.20x = 1,468,489,236.48
  5. Step 5: Solve for x
    x = 1,468,489,236.48/50,515.20
  6. Step 6: Final answer
    x = 29,070.24

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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.