Home / 39,201.36-54,096.34-21,295.96

Finding the Fourth Proportional to 39,201.36, 54,096.34 and 21,295.96

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Solution

The fourth proportional to 39,201.36, 54,096.34 and 21,295.96 is: 29,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.36 : 54,096.34 = 21,295.96 : x
  2. Step 2: Convert to fraction form
    39,201.36/54,096.34 = 21,295.96/x
  3. Step 3: Cross multiply
    39,201.36x = 54,096.34 × 21,295.96
  4. Step 4: Simplify right side
    39,201.36x = 1,152,033,492.79
  5. Step 5: Solve for x
    x = 1,152,033,492.79/39,201.36
  6. Step 6: Final answer
    x = 29,387.59

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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.