Home / 47,939.81-66,161.61-35,819.26

Finding the Fourth Proportional to 47,939.81, 66,161.61 and 35,819.26

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Solution

The fourth proportional to 47,939.81, 66,161.61 and 35,819.26 is: 49,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.81 : 66,161.61 = 35,819.26 : x
  2. Step 2: Convert to fraction form
    47,939.81/66,161.61 = 35,819.26/x
  3. Step 3: Cross multiply
    47,939.81x = 66,161.61 × 35,819.26
  4. Step 4: Simplify right side
    47,939.81x = 2,369,859,745.20
  5. Step 5: Solve for x
    x = 2,369,859,745.20/47,939.81
  6. Step 6: Final answer
    x = 49,434.07

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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.