Home / 31,197.12-43,046.08-18,623.04

Finding the Fourth Proportional to 31,197.12, 43,046.08 and 18,623.04

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Solution

The fourth proportional to 31,197.12, 43,046.08 and 18,623.04 is: 25,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,197.12 : 43,046.08 = 18,623.04 : x
  2. Step 2: Convert to fraction form
    31,197.12/43,046.08 = 18,623.04/x
  3. Step 3: Cross multiply
    31,197.12x = 43,046.08 × 18,623.04
  4. Step 4: Simplify right side
    31,197.12x = 801,648,869.68
  5. Step 5: Solve for x
    x = 801,648,869.68/31,197.12
  6. Step 6: Final answer
    x = 25,696.25

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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.