Home / 31,879.09-43,993.17-17,539.12

Finding the Fourth Proportional to 31,879.09, 43,993.17 and 17,539.12

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Solution

The fourth proportional to 31,879.09, 43,993.17 and 17,539.12 is: 24,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879.09 : 43,993.17 = 17,539.12 : x
  2. Step 2: Convert to fraction form
    31,879.09/43,993.17 = 17,539.12/x
  3. Step 3: Cross multiply
    31,879.09x = 43,993.17 × 17,539.12
  4. Step 4: Simplify right side
    31,879.09x = 771,601,487.81
  5. Step 5: Solve for x
    x = 771,601,487.81/31,879.09
  6. Step 6: Final answer
    x = 24,204.00

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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.