Home / 31,425.56-43,367.06-17,813.52

Finding the Fourth Proportional to 31,425.56, 43,367.06 and 17,813.52

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Solution

The fourth proportional to 31,425.56, 43,367.06 and 17,813.52 is: 24,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.56 : 43,367.06 = 17,813.52 : x
  2. Step 2: Convert to fraction form
    31,425.56/43,367.06 = 17,813.52/x
  3. Step 3: Cross multiply
    31,425.56x = 43,367.06 × 17,813.52
  4. Step 4: Simplify right side
    31,425.56x = 772,519,990.65
  5. Step 5: Solve for x
    x = 772,519,990.65/31,425.56
  6. Step 6: Final answer
    x = 24,582.54

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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.