Home / 31,873.20-43,980.75-17,723.31

Finding the Fourth Proportional to 31,873.20, 43,980.75 and 17,723.31

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Solution

The fourth proportional to 31,873.20, 43,980.75 and 17,723.31 is: 24,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,873.20 : 43,980.75 = 17,723.31 : x
  2. Step 2: Convert to fraction form
    31,873.20/43,980.75 = 17,723.31/x
  3. Step 3: Cross multiply
    31,873.20x = 43,980.75 × 17,723.31
  4. Step 4: Simplify right side
    31,873.20x = 779,484,466.28
  5. Step 5: Solve for x
    x = 779,484,466.28/31,873.20
  6. Step 6: Final answer
    x = 24,455.80

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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.