Home / 38,169.28-57,256.48-13,211.84

Finding the Fourth Proportional to 38,169.28, 57,256.48 and 13,211.84

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Solution

The fourth proportional to 38,169.28, 57,256.48 and 13,211.84 is: 19,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.28 : 57,256.48 = 13,211.84 : x
  2. Step 2: Convert to fraction form
    38,169.28/57,256.48 = 13,211.84/x
  3. Step 3: Cross multiply
    38,169.28x = 57,256.48 × 13,211.84
  4. Step 4: Simplify right side
    38,169.28x = 756,463,452.72
  5. Step 5: Solve for x
    x = 756,463,452.72/38,169.28
  6. Step 6: Final answer
    x = 19,818.65

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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.