Home / 33,707.30-50,575.53-13,990.28

Finding the Fourth Proportional to 33,707.30, 50,575.53 and 13,990.28

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Solution

The fourth proportional to 33,707.30, 50,575.53 and 13,990.28 is: 20,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,707.30 : 50,575.53 = 13,990.28 : x
  2. Step 2: Convert to fraction form
    33,707.30/50,575.53 = 13,990.28/x
  3. Step 3: Cross multiply
    33,707.30x = 50,575.53 × 13,990.28
  4. Step 4: Simplify right side
    33,707.30x = 707,565,825.85
  5. Step 5: Solve for x
    x = 707,565,825.85/33,707.30
  6. Step 6: Final answer
    x = 20,991.47

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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.