Home / 31,254.03-43,131.60-17,106.87

Finding the Fourth Proportional to 31,254.03, 43,131.60 and 17,106.87

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Solution

The fourth proportional to 31,254.03, 43,131.60 and 17,106.87 is: 23,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.03 : 43,131.60 = 17,106.87 : x
  2. Step 2: Convert to fraction form
    31,254.03/43,131.60 = 17,106.87/x
  3. Step 3: Cross multiply
    31,254.03x = 43,131.60 × 17,106.87
  4. Step 4: Simplify right side
    31,254.03x = 737,846,674.09
  5. Step 5: Solve for x
    x = 737,846,674.09/31,254.03
  6. Step 6: Final answer
    x = 23,608.05

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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.