Home / 50,086.72-75,064.96-20,470.72

Finding the Fourth Proportional to 50,086.72, 75,064.96 and 20,470.72

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Solution

The fourth proportional to 50,086.72, 75,064.96 and 20,470.72 is: 30,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.72 : 75,064.96 = 20,470.72 : x
  2. Step 2: Convert to fraction form
    50,086.72/75,064.96 = 20,470.72/x
  3. Step 3: Cross multiply
    50,086.72x = 75,064.96 × 20,470.72
  4. Step 4: Simplify right side
    50,086.72x = 1,536,633,777.97
  5. Step 5: Solve for x
    x = 1,536,633,777.97/50,086.72
  6. Step 6: Final answer
    x = 30,679.47

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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.