Home / 50,336.74-75,539.77-20,754.57

Finding the Fourth Proportional to 50,336.74, 75,539.77 and 20,754.57

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Solution

The fourth proportional to 50,336.74, 75,539.77 and 20,754.57 is: 31,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,336.74 : 75,539.77 = 20,754.57 : x
  2. Step 2: Convert to fraction form
    50,336.74/75,539.77 = 20,754.57/x
  3. Step 3: Cross multiply
    50,336.74x = 75,539.77 × 20,754.57
  4. Step 4: Simplify right side
    50,336.74x = 1,567,795,675.64
  5. Step 5: Solve for x
    x = 1,567,795,675.64/50,336.74
  6. Step 6: Final answer
    x = 31,146.15

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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.