Home / 50,295.89-75,432.13-18,720.82

Finding the Fourth Proportional to 50,295.89, 75,432.13 and 18,720.82

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Solution

The fourth proportional to 50,295.89, 75,432.13 and 18,720.82 is: 28,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.89 : 75,432.13 = 18,720.82 : x
  2. Step 2: Convert to fraction form
    50,295.89/75,432.13 = 18,720.82/x
  3. Step 3: Cross multiply
    50,295.89x = 75,432.13 × 18,720.82
  4. Step 4: Simplify right side
    50,295.89x = 1,412,151,092.56
  5. Step 5: Solve for x
    x = 1,412,151,092.56/50,295.89
  6. Step 6: Final answer
    x = 28,076.87

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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.