Home / 30,162.19-45,241.44-13,517.75

Finding the Fourth Proportional to 30,162.19, 45,241.44 and 13,517.75

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Solution

The fourth proportional to 30,162.19, 45,241.44 and 13,517.75 is: 20,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,162.19 : 45,241.44 = 13,517.75 : x
  2. Step 2: Convert to fraction form
    30,162.19/45,241.44 = 13,517.75/x
  3. Step 3: Cross multiply
    30,162.19x = 45,241.44 × 13,517.75
  4. Step 4: Simplify right side
    30,162.19x = 611,562,537.97
  5. Step 5: Solve for x
    x = 611,562,537.97/30,162.19
  6. Step 6: Final answer
    x = 20,275.80

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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.