Home / 38,879.97-58,336.35-19,158.69

Finding the Fourth Proportional to 38,879.97, 58,336.35 and 19,158.69

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Solution

The fourth proportional to 38,879.97, 58,336.35 and 19,158.69 is: 28,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.97 : 58,336.35 = 19,158.69 : x
  2. Step 2: Convert to fraction form
    38,879.97/58,336.35 = 19,158.69/x
  3. Step 3: Cross multiply
    38,879.97x = 58,336.35 × 19,158.69
  4. Step 4: Simplify right side
    38,879.97x = 1,117,648,045.38
  5. Step 5: Solve for x
    x = 1,117,648,045.38/38,879.97
  6. Step 6: Final answer
    x = 28,746.11

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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.