Home / 38,143.81-57,197.26-13,175.11

Finding the Fourth Proportional to 38,143.81, 57,197.26 and 13,175.11

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Solution

The fourth proportional to 38,143.81, 57,197.26 and 13,175.11 is: 19,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.81 : 57,197.26 = 13,175.11 : x
  2. Step 2: Convert to fraction form
    38,143.81/57,197.26 = 13,175.11/x
  3. Step 3: Cross multiply
    38,143.81x = 57,197.26 × 13,175.11
  4. Step 4: Simplify right side
    38,143.81x = 753,579,995.48
  5. Step 5: Solve for x
    x = 753,579,995.48/38,143.81
  6. Step 6: Final answer
    x = 19,756.28

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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.