Home / 38,141.64-57,198.40-13,175.28

Finding the Fourth Proportional to 38,141.64, 57,198.40 and 13,175.28

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Solution

The fourth proportional to 38,141.64, 57,198.40 and 13,175.28 is: 19,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141.64 : 57,198.40 = 13,175.28 : x
  2. Step 2: Convert to fraction form
    38,141.64/57,198.40 = 13,175.28/x
  3. Step 3: Cross multiply
    38,141.64x = 57,198.40 × 13,175.28
  4. Step 4: Simplify right side
    38,141.64x = 753,604,935.55
  5. Step 5: Solve for x
    x = 753,604,935.55/38,141.64
  6. Step 6: Final answer
    x = 19,758.06

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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.