Home / 39,128.92-58,686.55-18,067.16

Finding the Fourth Proportional to 39,128.92, 58,686.55 and 18,067.16

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Solution

The fourth proportional to 39,128.92, 58,686.55 and 18,067.16 is: 27,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.92 : 58,686.55 = 18,067.16 : x
  2. Step 2: Convert to fraction form
    39,128.92/58,686.55 = 18,067.16/x
  3. Step 3: Cross multiply
    39,128.92x = 58,686.55 × 18,067.16
  4. Step 4: Simplify right side
    39,128.92x = 1,060,299,288.70
  5. Step 5: Solve for x
    x = 1,060,299,288.70/39,128.92
  6. Step 6: Final answer
    x = 27,097.59

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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.