Home / 38,242.80-57,370.41-13,297.64

Finding the Fourth Proportional to 38,242.80, 57,370.41 and 13,297.64

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Solution

The fourth proportional to 38,242.80, 57,370.41 and 13,297.64 is: 19,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,242.80 : 57,370.41 = 13,297.64 : x
  2. Step 2: Convert to fraction form
    38,242.80/57,370.41 = 13,297.64/x
  3. Step 3: Cross multiply
    38,242.80x = 57,370.41 × 13,297.64
  4. Step 4: Simplify right side
    38,242.80x = 762,890,771.98
  5. Step 5: Solve for x
    x = 762,890,771.98/38,242.80
  6. Step 6: Final answer
    x = 19,948.61

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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.