Home / 38,987.82-58,426.65-30,181.50

Finding the Fourth Proportional to 38,987.82, 58,426.65 and 30,181.50

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Solution

The fourth proportional to 38,987.82, 58,426.65 and 30,181.50 is: 45,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.82 : 58,426.65 = 30,181.50 : x
  2. Step 2: Convert to fraction form
    38,987.82/58,426.65 = 30,181.50/x
  3. Step 3: Cross multiply
    38,987.82x = 58,426.65 × 30,181.50
  4. Step 4: Simplify right side
    38,987.82x = 1,763,403,936.98
  5. Step 5: Solve for x
    x = 1,763,403,936.98/38,987.82
  6. Step 6: Final answer
    x = 45,229.61

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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.