Home / 58,635.09-87,934.01-19,181.61

Finding the Fourth Proportional to 58,635.09, 87,934.01 and 19,181.61

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Solution

The fourth proportional to 58,635.09, 87,934.01 and 19,181.61 is: 28,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.09 : 87,934.01 = 19,181.61 : x
  2. Step 2: Convert to fraction form
    58,635.09/87,934.01 = 19,181.61/x
  3. Step 3: Cross multiply
    58,635.09x = 87,934.01 × 19,181.61
  4. Step 4: Simplify right side
    58,635.09x = 1,686,715,789.65
  5. Step 5: Solve for x
    x = 1,686,715,789.65/58,635.09
  6. Step 6: Final answer
    x = 28,766.32

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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.