Home / 38,913.15-58,383.52-19,205.54

Finding the Fourth Proportional to 38,913.15, 58,383.52 and 19,205.54

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Solution

The fourth proportional to 38,913.15, 58,383.52 and 19,205.54 is: 28,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.15 : 58,383.52 = 19,205.54 : x
  2. Step 2: Convert to fraction form
    38,913.15/58,383.52 = 19,205.54/x
  3. Step 3: Cross multiply
    38,913.15x = 58,383.52 × 19,205.54
  4. Step 4: Simplify right side
    38,913.15x = 1,121,287,028.70
  5. Step 5: Solve for x
    x = 1,121,287,028.70/38,913.15
  6. Step 6: Final answer
    x = 28,815.12

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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.