Home / 38,910.01-53,696.03-22,143.01

Finding the Fourth Proportional to 38,910.01, 53,696.03 and 22,143.01

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Solution

The fourth proportional to 38,910.01, 53,696.03 and 22,143.01 is: 30,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.01 : 53,696.03 = 22,143.01 : x
  2. Step 2: Convert to fraction form
    38,910.01/53,696.03 = 22,143.01/x
  3. Step 3: Cross multiply
    38,910.01x = 53,696.03 × 22,143.01
  4. Step 4: Simplify right side
    38,910.01x = 1,188,991,729.25
  5. Step 5: Solve for x
    x = 1,188,991,729.25/38,910.01
  6. Step 6: Final answer
    x = 30,557.48

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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.