Home / 38,180.05-57,256.34-13,213.32

Finding the Fourth Proportional to 38,180.05, 57,256.34 and 13,213.32

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Solution

The fourth proportional to 38,180.05, 57,256.34 and 13,213.32 is: 19,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.05 : 57,256.34 = 13,213.32 : x
  2. Step 2: Convert to fraction form
    38,180.05/57,256.34 = 13,213.32/x
  3. Step 3: Cross multiply
    38,180.05x = 57,256.34 × 13,213.32
  4. Step 4: Simplify right side
    38,180.05x = 756,546,342.45
  5. Step 5: Solve for x
    x = 756,546,342.45/38,180.05
  6. Step 6: Final answer
    x = 19,815.23

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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.