Home / 31,684.26-43,720.44-18,259.86

Finding the Fourth Proportional to 31,684.26, 43,720.44 and 18,259.86

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Solution

The fourth proportional to 31,684.26, 43,720.44 and 18,259.86 is: 25,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.26 : 43,720.44 = 18,259.86 : x
  2. Step 2: Convert to fraction form
    31,684.26/43,720.44 = 18,259.86/x
  3. Step 3: Cross multiply
    31,684.26x = 43,720.44 × 18,259.86
  4. Step 4: Simplify right side
    31,684.26x = 798,329,113.54
  5. Step 5: Solve for x
    x = 798,329,113.54/31,684.26
  6. Step 6: Final answer
    x = 25,196.39

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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.