Home / 50,122.22-75,182.36-20,143.30

Finding the Fourth Proportional to 50,122.22, 75,182.36 and 20,143.30

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Solution

The fourth proportional to 50,122.22, 75,182.36 and 20,143.30 is: 30,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,122.22 : 75,182.36 = 20,143.30 : x
  2. Step 2: Convert to fraction form
    50,122.22/75,182.36 = 20,143.30/x
  3. Step 3: Cross multiply
    50,122.22x = 75,182.36 × 20,143.30
  4. Step 4: Simplify right side
    50,122.22x = 1,514,420,832.19
  5. Step 5: Solve for x
    x = 1,514,420,832.19/50,122.22
  6. Step 6: Final answer
    x = 30,214.56

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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.