Home / 31,382.13-43,308.23-17,235.89

Finding the Fourth Proportional to 31,382.13, 43,308.23 and 17,235.89

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Solution

The fourth proportional to 31,382.13, 43,308.23 and 17,235.89 is: 23,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.13 : 43,308.23 = 17,235.89 : x
  2. Step 2: Convert to fraction form
    31,382.13/43,308.23 = 17,235.89/x
  3. Step 3: Cross multiply
    31,382.13x = 43,308.23 × 17,235.89
  4. Step 4: Simplify right side
    31,382.13x = 746,455,888.37
  5. Step 5: Solve for x
    x = 746,455,888.37/31,382.13
  6. Step 6: Final answer
    x = 23,786.02

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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.