Home / 31,172.40-46,726.20-17,110.80

Finding the Fourth Proportional to 31,172.40, 46,726.20 and 17,110.80

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Solution

The fourth proportional to 31,172.40, 46,726.20 and 17,110.80 is: 25,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.40 : 46,726.20 = 17,110.80 : x
  2. Step 2: Convert to fraction form
    31,172.40/46,726.20 = 17,110.80/x
  3. Step 3: Cross multiply
    31,172.40x = 46,726.20 × 17,110.80
  4. Step 4: Simplify right side
    31,172.40x = 799,522,662.96
  5. Step 5: Solve for x
    x = 799,522,662.96/31,172.40
  6. Step 6: Final answer
    x = 25,648.42

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1.5x scale

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.