Home / 48,388.74-72,554.85-18,771.97

Finding the Fourth Proportional to 48,388.74, 72,554.85 and 18,771.97

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Solution

The fourth proportional to 48,388.74, 72,554.85 and 18,771.97 is: 28,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388.74 : 72,554.85 = 18,771.97 : x
  2. Step 2: Convert to fraction form
    48,388.74/72,554.85 = 18,771.97/x
  3. Step 3: Cross multiply
    48,388.74x = 72,554.85 × 18,771.97
  4. Step 4: Simplify right side
    48,388.74x = 1,361,997,467.55
  5. Step 5: Solve for x
    x = 1,361,997,467.55/48,388.74
  6. Step 6: Final answer
    x = 28,146.99

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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.