Home / 39,991.50-55,165.10-25,844.34

Finding the Fourth Proportional to 39,991.50, 55,165.10 and 25,844.34

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Solution

The fourth proportional to 39,991.50, 55,165.10 and 25,844.34 is: 35,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.50 : 55,165.10 = 25,844.34 : x
  2. Step 2: Convert to fraction form
    39,991.50/55,165.10 = 25,844.34/x
  3. Step 3: Cross multiply
    39,991.50x = 55,165.10 × 25,844.34
  4. Step 4: Simplify right side
    39,991.50x = 1,425,705,668.40
  5. Step 5: Solve for x
    x = 1,425,705,668.40/39,991.50
  6. Step 6: Final answer
    x = 35,650.22

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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.