Home / 50,265.20-75,426.60-19,122.80

Finding the Fourth Proportional to 50,265.20, 75,426.60 and 19,122.80

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Solution

The fourth proportional to 50,265.20, 75,426.60 and 19,122.80 is: 28,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,265.20 : 75,426.60 = 19,122.80 : x
  2. Step 2: Convert to fraction form
    50,265.20/75,426.60 = 19,122.80/x
  3. Step 3: Cross multiply
    50,265.20x = 75,426.60 × 19,122.80
  4. Step 4: Simplify right side
    50,265.20x = 1,442,367,786.48
  5. Step 5: Solve for x
    x = 1,442,367,786.48/50,265.20
  6. Step 6: Final answer
    x = 28,695.16

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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.