Home / 31,427.03-43,366.73-18,504.26

Finding the Fourth Proportional to 31,427.03, 43,366.73 and 18,504.26

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Solution

The fourth proportional to 31,427.03, 43,366.73 and 18,504.26 is: 25,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.03 : 43,366.73 = 18,504.26 : x
  2. Step 2: Convert to fraction form
    31,427.03/43,366.73 = 18,504.26/x
  3. Step 3: Cross multiply
    31,427.03x = 43,366.73 × 18,504.26
  4. Step 4: Simplify right side
    31,427.03x = 802,469,154.75
  5. Step 5: Solve for x
    x = 802,469,154.75/31,427.03
  6. Step 6: Final answer
    x = 25,534.36

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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.