Home / 31,394.64-43,325.64-17,247.96

Finding the Fourth Proportional to 31,394.64, 43,325.64 and 17,247.96

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Solution

The fourth proportional to 31,394.64, 43,325.64 and 17,247.96 is: 23,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.64 : 43,325.64 = 17,247.96 : x
  2. Step 2: Convert to fraction form
    31,394.64/43,325.64 = 17,247.96/x
  3. Step 3: Cross multiply
    31,394.64x = 43,325.64 × 17,247.96
  4. Step 4: Simplify right side
    31,394.64x = 747,278,905.69
  5. Step 5: Solve for x
    x = 747,278,905.69/31,394.64
  6. Step 6: Final answer
    x = 23,802.75

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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.