Home / 31,172.55-43,017.44-17,025.45

Finding the Fourth Proportional to 31,172.55, 43,017.44 and 17,025.45

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Solution

The fourth proportional to 31,172.55, 43,017.44 and 17,025.45 is: 23,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.55 : 43,017.44 = 17,025.45 : x
  2. Step 2: Convert to fraction form
    31,172.55/43,017.44 = 17,025.45/x
  3. Step 3: Cross multiply
    31,172.55x = 43,017.44 × 17,025.45
  4. Step 4: Simplify right side
    31,172.55x = 732,391,188.72
  5. Step 5: Solve for x
    x = 732,391,188.72/31,172.55
  6. Step 6: Final answer
    x = 23,494.75

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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.