Home / 41,661.91-57,457.27-28,936.31

Finding the Fourth Proportional to 41,661.91, 57,457.27 and 28,936.31

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Solution

The fourth proportional to 41,661.91, 57,457.27 and 28,936.31 is: 39,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,661.91 : 57,457.27 = 28,936.31 : x
  2. Step 2: Convert to fraction form
    41,661.91/57,457.27 = 28,936.31/x
  3. Step 3: Cross multiply
    41,661.91x = 57,457.27 × 28,936.31
  4. Step 4: Simplify right side
    41,661.91x = 1,662,601,125.36
  5. Step 5: Solve for x
    x = 1,662,601,125.36/41,661.91
  6. Step 6: Final answer
    x = 39,906.98

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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.