Home / 39,200.21-54,096.66-21,295.56

Finding the Fourth Proportional to 39,200.21, 54,096.66 and 21,295.56

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Solution

The fourth proportional to 39,200.21, 54,096.66 and 21,295.56 is: 29,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.21 : 54,096.66 = 21,295.56 : x
  2. Step 2: Convert to fraction form
    39,200.21/54,096.66 = 21,295.56/x
  3. Step 3: Cross multiply
    39,200.21x = 54,096.66 × 21,295.56
  4. Step 4: Simplify right side
    39,200.21x = 1,152,018,668.83
  5. Step 5: Solve for x
    x = 1,152,018,668.83/39,200.21
  6. Step 6: Final answer
    x = 29,388.08

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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.