Home / 31,110.59-42,933.06-16,963.43

Finding the Fourth Proportional to 31,110.59, 42,933.06 and 16,963.43

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Solution

The fourth proportional to 31,110.59, 42,933.06 and 16,963.43 is: 23,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.59 : 42,933.06 = 16,963.43 : x
  2. Step 2: Convert to fraction form
    31,110.59/42,933.06 = 16,963.43/x
  3. Step 3: Cross multiply
    31,110.59x = 42,933.06 × 16,963.43
  4. Step 4: Simplify right side
    31,110.59x = 728,292,065.33
  5. Step 5: Solve for x
    x = 728,292,065.33/31,110.59
  6. Step 6: Final answer
    x = 23,409.78

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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.