Home / 31,455.82-43,409.94-17,308.66

Finding the Fourth Proportional to 31,455.82, 43,409.94 and 17,308.66

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Solution

The fourth proportional to 31,455.82, 43,409.94 and 17,308.66 is: 23,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.82 : 43,409.94 = 17,308.66 : x
  2. Step 2: Convert to fraction form
    31,455.82/43,409.94 = 17,308.66/x
  3. Step 3: Cross multiply
    31,455.82x = 43,409.94 × 17,308.66
  4. Step 4: Simplify right side
    31,455.82x = 751,367,892.08
  5. Step 5: Solve for x
    x = 751,367,892.08/31,455.82
  6. Step 6: Final answer
    x = 23,886.45

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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.