Home / 35,917.11-49,540.26-31,128.39

Finding the Fourth Proportional to 35,917.11, 49,540.26 and 31,128.39

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Solution

The fourth proportional to 35,917.11, 49,540.26 and 31,128.39 is: 42,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.11 : 49,540.26 = 31,128.39 : x
  2. Step 2: Convert to fraction form
    35,917.11/49,540.26 = 31,128.39/x
  3. Step 3: Cross multiply
    35,917.11x = 49,540.26 × 31,128.39
  4. Step 4: Simplify right side
    35,917.11x = 1,542,108,533.98
  5. Step 5: Solve for x
    x = 1,542,108,533.98/35,917.11
  6. Step 6: Final answer
    x = 42,935.21

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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.