Home / 39,015.52-58,476.50-20,020.61

Finding the Fourth Proportional to 39,015.52, 58,476.50 and 20,020.61

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Solution

The fourth proportional to 39,015.52, 58,476.50 and 20,020.61 is: 30,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015.52 : 58,476.50 = 20,020.61 : x
  2. Step 2: Convert to fraction form
    39,015.52/58,476.50 = 20,020.61/x
  3. Step 3: Cross multiply
    39,015.52x = 58,476.50 × 20,020.61
  4. Step 4: Simplify right side
    39,015.52x = 1,170,735,100.56
  5. Step 5: Solve for x
    x = 1,170,735,100.56/39,015.52
  6. Step 6: Final answer
    x = 30,006.91

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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.