Home / 31,379.59-43,303.85-17,233.30

Finding the Fourth Proportional to 31,379.59, 43,303.85 and 17,233.30

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Solution

The fourth proportional to 31,379.59, 43,303.85 and 17,233.30 is: 23,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,379.59 : 43,303.85 = 17,233.30 : x
  2. Step 2: Convert to fraction form
    31,379.59/43,303.85 = 17,233.30/x
  3. Step 3: Cross multiply
    31,379.59x = 43,303.85 × 17,233.30
  4. Step 4: Simplify right side
    31,379.59x = 746,268,238.21
  5. Step 5: Solve for x
    x = 746,268,238.21/31,379.59
  6. Step 6: Final answer
    x = 23,781.96

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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.