Home / 40,221.48-55,486.98-25,104.36

Finding the Fourth Proportional to 40,221.48, 55,486.98 and 25,104.36

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Solution

The fourth proportional to 40,221.48, 55,486.98 and 25,104.36 is: 34,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.48 : 55,486.98 = 25,104.36 : x
  2. Step 2: Convert to fraction form
    40,221.48/55,486.98 = 25,104.36/x
  3. Step 3: Cross multiply
    40,221.48x = 55,486.98 × 25,104.36
  4. Step 4: Simplify right side
    40,221.48x = 1,392,965,121.23
  5. Step 5: Solve for x
    x = 1,392,965,121.23/40,221.48
  6. Step 6: Final answer
    x = 34,632.37

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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.