Home / 73,663.35-110,495.03-21,072.84

Finding the Fourth Proportional to 73,663.35, 110,495.03 and 21,072.84

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Solution

The fourth proportional to 73,663.35, 110,495.03 and 21,072.84 is: 31,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,663.35 : 110,495.03 = 21,072.84 : x
  2. Step 2: Convert to fraction form
    73,663.35/110,495.03 = 21,072.84/x
  3. Step 3: Cross multiply
    73,663.35x = 110,495.03 × 21,072.84
  4. Step 4: Simplify right side
    73,663.35x = 2,328,443,982.62
  5. Step 5: Solve for x
    x = 2,328,443,982.62/73,663.35
  6. Step 6: Final answer
    x = 31,609.26

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Similar ratio
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1.5x scale

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.