Home / 38,136.72-52,630.44-22,218.60

Finding the Fourth Proportional to 38,136.72, 52,630.44 and 22,218.60

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Solution

The fourth proportional to 38,136.72, 52,630.44 and 22,218.60 is: 30,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.72 : 52,630.44 = 22,218.60 : x
  2. Step 2: Convert to fraction form
    38,136.72/52,630.44 = 22,218.60/x
  3. Step 3: Cross multiply
    38,136.72x = 52,630.44 × 22,218.60
  4. Step 4: Simplify right side
    38,136.72x = 1,169,374,694.18
  5. Step 5: Solve for x
    x = 1,169,374,694.18/38,136.72
  6. Step 6: Final answer
    x = 30,662.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.