Home / 39,145.51-58,720.71-11,067.73

Finding the Fourth Proportional to 39,145.51, 58,720.71 and 11,067.73

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Solution

The fourth proportional to 39,145.51, 58,720.71 and 11,067.73 is: 16,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.51 : 58,720.71 = 11,067.73 : x
  2. Step 2: Convert to fraction form
    39,145.51/58,720.71 = 11,067.73/x
  3. Step 3: Cross multiply
    39,145.51x = 58,720.71 × 11,067.73
  4. Step 4: Simplify right side
    39,145.51x = 649,904,963.69
  5. Step 5: Solve for x
    x = 649,904,963.69/39,145.51
  6. Step 6: Final answer
    x = 16,602.29

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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.