Home / 39,146.36-58,717.44-13,844.12

Finding the Fourth Proportional to 39,146.36, 58,717.44 and 13,844.12

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Solution

The fourth proportional to 39,146.36, 58,717.44 and 13,844.12 is: 20,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.36 : 58,717.44 = 13,844.12 : x
  2. Step 2: Convert to fraction form
    39,146.36/58,717.44 = 13,844.12/x
  3. Step 3: Cross multiply
    39,146.36x = 58,717.44 × 13,844.12
  4. Step 4: Simplify right side
    39,146.36x = 812,890,991.87
  5. Step 5: Solve for x
    x = 812,890,991.87/39,146.36
  6. Step 6: Final answer
    x = 20,765.43

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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.