Home / 39,456.96-59,183.80-21,915.60

Finding the Fourth Proportional to 39,456.96, 59,183.80 and 21,915.60

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Solution

The fourth proportional to 39,456.96, 59,183.80 and 21,915.60 is: 32,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.96 : 59,183.80 = 21,915.60 : x
  2. Step 2: Convert to fraction form
    39,456.96/59,183.80 = 21,915.60/x
  3. Step 3: Cross multiply
    39,456.96x = 59,183.80 × 21,915.60
  4. Step 4: Simplify right side
    39,456.96x = 1,297,048,487.28
  5. Step 5: Solve for x
    x = 1,297,048,487.28/39,456.96
  6. Step 6: Final answer
    x = 32,872.49

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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.