Home / 31,453.06-43,358.25-20,824.24

Finding the Fourth Proportional to 31,453.06, 43,358.25 and 20,824.24

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Solution

The fourth proportional to 31,453.06, 43,358.25 and 20,824.24 is: 28,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.06 : 43,358.25 = 20,824.24 : x
  2. Step 2: Convert to fraction form
    31,453.06/43,358.25 = 20,824.24/x
  3. Step 3: Cross multiply
    31,453.06x = 43,358.25 × 20,824.24
  4. Step 4: Simplify right side
    31,453.06x = 902,902,603.98
  5. Step 5: Solve for x
    x = 902,902,603.98/31,453.06
  6. Step 6: Final answer
    x = 28,706.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.