Home / 41,731.08-57,644.10-31,102.26

Finding the Fourth Proportional to 41,731.08, 57,644.10 and 31,102.26

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Solution

The fourth proportional to 41,731.08, 57,644.10 and 31,102.26 is: 42,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,731.08 : 57,644.10 = 31,102.26 : x
  2. Step 2: Convert to fraction form
    41,731.08/57,644.10 = 31,102.26/x
  3. Step 3: Cross multiply
    41,731.08x = 57,644.10 × 31,102.26
  4. Step 4: Simplify right side
    41,731.08x = 1,792,861,785.67
  5. Step 5: Solve for x
    x = 1,792,861,785.67/41,731.08
  6. Step 6: Final answer
    x = 42,962.27

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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.