Home / 41,129.40-61,722.90-17,772.60

Finding the Fourth Proportional to 41,129.40, 61,722.90 and 17,772.60

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Solution

The fourth proportional to 41,129.40, 61,722.90 and 17,772.60 is: 26,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.40 : 61,722.90 = 17,772.60 : x
  2. Step 2: Convert to fraction form
    41,129.40/61,722.90 = 17,772.60/x
  3. Step 3: Cross multiply
    41,129.40x = 61,722.90 × 17,772.60
  4. Step 4: Simplify right side
    41,129.40x = 1,096,976,412.54
  5. Step 5: Solve for x
    x = 1,096,976,412.54/41,129.40
  6. Step 6: Final answer
    x = 26,671.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.