Home / 36,136.74-54,221.51-21,374.49

Finding the Fourth Proportional to 36,136.74, 54,221.51 and 21,374.49

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Solution

The fourth proportional to 36,136.74, 54,221.51 and 21,374.49 is: 32,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.74 : 54,221.51 = 21,374.49 : x
  2. Step 2: Convert to fraction form
    36,136.74/54,221.51 = 21,374.49/x
  3. Step 3: Cross multiply
    36,136.74x = 54,221.51 × 21,374.49
  4. Step 4: Simplify right side
    36,136.74x = 1,158,957,176.72
  5. Step 5: Solve for x
    x = 1,158,957,176.72/36,136.74
  6. Step 6: Final answer
    x = 32,071.44

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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.