Home / 33,430.86-50,113.31-15,912.99

Finding the Fourth Proportional to 33,430.86, 50,113.31 and 15,912.99

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Solution

The fourth proportional to 33,430.86, 50,113.31 and 15,912.99 is: 23,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.86 : 50,113.31 = 15,912.99 : x
  2. Step 2: Convert to fraction form
    33,430.86/50,113.31 = 15,912.99/x
  3. Step 3: Cross multiply
    33,430.86x = 50,113.31 × 15,912.99
  4. Step 4: Simplify right side
    33,430.86x = 797,452,521.33
  5. Step 5: Solve for x
    x = 797,452,521.33/33,430.86
  6. Step 6: Final answer
    x = 23,853.78

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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.