Home / 36,057.97-49,749.08-20,947.69

Finding the Fourth Proportional to 36,057.97, 49,749.08 and 20,947.69

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Solution

The fourth proportional to 36,057.97, 49,749.08 and 20,947.69 is: 28,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,057.97 : 49,749.08 = 20,947.69 : x
  2. Step 2: Convert to fraction form
    36,057.97/49,749.08 = 20,947.69/x
  3. Step 3: Cross multiply
    36,057.97x = 49,749.08 × 20,947.69
  4. Step 4: Simplify right side
    36,057.97x = 1,042,128,200.89
  5. Step 5: Solve for x
    x = 1,042,128,200.89/36,057.97
  6. Step 6: Final answer
    x = 28,901.47

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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.