Home / 38,870.82-58,311.66-19,149.54

Finding the Fourth Proportional to 38,870.82, 58,311.66 and 19,149.54

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Solution

The fourth proportional to 38,870.82, 58,311.66 and 19,149.54 is: 28,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.82 : 58,311.66 = 19,149.54 : x
  2. Step 2: Convert to fraction form
    38,870.82/58,311.66 = 19,149.54/x
  3. Step 3: Cross multiply
    38,870.82x = 58,311.66 × 19,149.54
  4. Step 4: Simplify right side
    38,870.82x = 1,116,641,465.64
  5. Step 5: Solve for x
    x = 1,116,641,465.64/38,870.82
  6. Step 6: Final answer
    x = 28,726.99

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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.