Home / 39,020.80-58,540.52-12,725.58

Finding the Fourth Proportional to 39,020.80, 58,540.52 and 12,725.58

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Solution

The fourth proportional to 39,020.80, 58,540.52 and 12,725.58 is: 19,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.80 : 58,540.52 = 12,725.58 : x
  2. Step 2: Convert to fraction form
    39,020.80/58,540.52 = 12,725.58/x
  3. Step 3: Cross multiply
    39,020.80x = 58,540.52 × 12,725.58
  4. Step 4: Simplify right side
    39,020.80x = 744,962,070.50
  5. Step 5: Solve for x
    x = 744,962,070.50/39,020.80
  6. Step 6: Final answer
    x = 19,091.41

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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.