Home / 38,180.11-57,256.43-13,213.38

Finding the Fourth Proportional to 38,180.11, 57,256.43 and 13,213.38

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Solution

The fourth proportional to 38,180.11, 57,256.43 and 13,213.38 is: 19,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.11 : 57,256.43 = 13,213.38 : x
  2. Step 2: Convert to fraction form
    38,180.11/57,256.43 = 13,213.38/x
  3. Step 3: Cross multiply
    38,180.11x = 57,256.43 × 13,213.38
  4. Step 4: Simplify right side
    38,180.11x = 756,550,967.03
  5. Step 5: Solve for x
    x = 756,550,967.03/38,180.11
  6. Step 6: Final answer
    x = 19,815.32

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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.