Home / 29,749.37-41,061.27-20,205.15

Finding the Fourth Proportional to 29,749.37, 41,061.27 and 20,205.15

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Solution

The fourth proportional to 29,749.37, 41,061.27 and 20,205.15 is: 27,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,749.37 : 41,061.27 = 20,205.15 : x
  2. Step 2: Convert to fraction form
    29,749.37/41,061.27 = 20,205.15/x
  3. Step 3: Cross multiply
    29,749.37x = 41,061.27 × 20,205.15
  4. Step 4: Simplify right side
    29,749.37x = 829,649,119.54
  5. Step 5: Solve for x
    x = 829,649,119.54/29,749.37
  6. Step 6: Final answer
    x = 27,887.96

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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.