Home / 31,325.44-43,229.44-16,985.30

Finding the Fourth Proportional to 31,325.44, 43,229.44 and 16,985.30

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Solution

The fourth proportional to 31,325.44, 43,229.44 and 16,985.30 is: 23,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.44 : 43,229.44 = 16,985.30 : x
  2. Step 2: Convert to fraction form
    31,325.44/43,229.44 = 16,985.30/x
  3. Step 3: Cross multiply
    31,325.44x = 43,229.44 × 16,985.30
  4. Step 4: Simplify right side
    31,325.44x = 734,265,007.23
  5. Step 5: Solve for x
    x = 734,265,007.23/31,325.44
  6. Step 6: Final answer
    x = 23,439.89

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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.