Home / 38,110.11-52,586.97-21,978.03

Finding the Fourth Proportional to 38,110.11, 52,586.97 and 21,978.03

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Solution

The fourth proportional to 38,110.11, 52,586.97 and 21,978.03 is: 30,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.11 : 52,586.97 = 21,978.03 : x
  2. Step 2: Convert to fraction form
    38,110.11/52,586.97 = 21,978.03/x
  3. Step 3: Cross multiply
    38,110.11x = 52,586.97 × 21,978.03
  4. Step 4: Simplify right side
    38,110.11x = 1,155,758,004.27
  5. Step 5: Solve for x
    x = 1,155,758,004.27/38,110.11
  6. Step 6: Final answer
    x = 30,326.81

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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.