Home / 39,199.41-54,096.12-21,295.44

Finding the Fourth Proportional to 39,199.41, 54,096.12 and 21,295.44

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Solution

The fourth proportional to 39,199.41, 54,096.12 and 21,295.44 is: 29,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.41 : 54,096.12 = 21,295.44 : x
  2. Step 2: Convert to fraction form
    39,199.41/54,096.12 = 21,295.44/x
  3. Step 3: Cross multiply
    39,199.41x = 54,096.12 × 21,295.44
  4. Step 4: Simplify right side
    39,199.41x = 1,152,000,677.69
  5. Step 5: Solve for x
    x = 1,152,000,677.69/39,199.41
  6. Step 6: Final answer
    x = 29,388.21

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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.