Home / 50,712.24-76,049.04-20,308.08

Finding the Fourth Proportional to 50,712.24, 76,049.04 and 20,308.08

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Solution

The fourth proportional to 50,712.24, 76,049.04 and 20,308.08 is: 30,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.24 : 76,049.04 = 20,308.08 : x
  2. Step 2: Convert to fraction form
    50,712.24/76,049.04 = 20,308.08/x
  3. Step 3: Cross multiply
    50,712.24x = 76,049.04 × 20,308.08
  4. Step 4: Simplify right side
    50,712.24x = 1,544,409,988.24
  5. Step 5: Solve for x
    x = 1,544,409,988.24/50,712.24
  6. Step 6: Final answer
    x = 30,454.38

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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.