Home / 31,836.11-43,933.51-17,688.65

Finding the Fourth Proportional to 31,836.11, 43,933.51 and 17,688.65

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Solution

The fourth proportional to 31,836.11, 43,933.51 and 17,688.65 is: 24,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.11 : 43,933.51 = 17,688.65 : x
  2. Step 2: Convert to fraction form
    31,836.11/43,933.51 = 17,688.65/x
  3. Step 3: Cross multiply
    31,836.11x = 43,933.51 × 17,688.65
  4. Step 4: Simplify right side
    31,836.11x = 777,124,481.66
  5. Step 5: Solve for x
    x = 777,124,481.66/31,836.11
  6. Step 6: Final answer
    x = 24,410.16

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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.