Home / 31,836.37-43,934.20-17,689.22

Finding the Fourth Proportional to 31,836.37, 43,934.20 and 17,689.22

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Solution

The fourth proportional to 31,836.37, 43,934.20 and 17,689.22 is: 24,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.37 : 43,934.20 = 17,689.22 : x
  2. Step 2: Convert to fraction form
    31,836.37/43,934.20 = 17,689.22/x
  3. Step 3: Cross multiply
    31,836.37x = 43,934.20 × 17,689.22
  4. Step 4: Simplify right side
    31,836.37x = 777,161,729.32
  5. Step 5: Solve for x
    x = 777,161,729.32/31,836.37
  6. Step 6: Final answer
    x = 24,411.13

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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.