Home / 31,296.51-43,188.26-17,867.39

Finding the Fourth Proportional to 31,296.51, 43,188.26 and 17,867.39

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Solution

The fourth proportional to 31,296.51, 43,188.26 and 17,867.39 is: 24,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.51 : 43,188.26 = 17,867.39 : x
  2. Step 2: Convert to fraction form
    31,296.51/43,188.26 = 17,867.39/x
  3. Step 3: Cross multiply
    31,296.51x = 43,188.26 × 17,867.39
  4. Step 4: Simplify right side
    31,296.51x = 771,661,179.56
  5. Step 5: Solve for x
    x = 771,661,179.56/31,296.51
  6. Step 6: Final answer
    x = 24,656.46

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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.