Home / 31,236.80-43,106.73-17,089.61

Finding the Fourth Proportional to 31,236.80, 43,106.73 and 17,089.61

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Solution

The fourth proportional to 31,236.80, 43,106.73 and 17,089.61 is: 23,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.80 : 43,106.73 = 17,089.61 : x
  2. Step 2: Convert to fraction form
    31,236.80/43,106.73 = 17,089.61/x
  3. Step 3: Cross multiply
    31,236.80x = 43,106.73 × 17,089.61
  4. Step 4: Simplify right side
    31,236.80x = 736,677,204.08
  5. Step 5: Solve for x
    x = 736,677,204.08/31,236.80
  6. Step 6: Final answer
    x = 23,583.63

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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.