Home / 38,784.22-58,185.44-12,487.97

Finding the Fourth Proportional to 38,784.22, 58,185.44 and 12,487.97

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Solution

The fourth proportional to 38,784.22, 58,185.44 and 12,487.97 is: 18,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.22 : 58,185.44 = 12,487.97 : x
  2. Step 2: Convert to fraction form
    38,784.22/58,185.44 = 12,487.97/x
  3. Step 3: Cross multiply
    38,784.22x = 58,185.44 × 12,487.97
  4. Step 4: Simplify right side
    38,784.22x = 726,618,159.01
  5. Step 5: Solve for x
    x = 726,618,159.01/38,784.22
  6. Step 6: Final answer
    x = 18,734.89

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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.