Home / 31,311.60-46,971.48-10,244.28

Finding the Fourth Proportional to 31,311.60, 46,971.48 and 10,244.28

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Solution

The fourth proportional to 31,311.60, 46,971.48 and 10,244.28 is: 15,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.60 : 46,971.48 = 10,244.28 : x
  2. Step 2: Convert to fraction form
    31,311.60/46,971.48 = 10,244.28/x
  3. Step 3: Cross multiply
    31,311.60x = 46,971.48 × 10,244.28
  4. Step 4: Simplify right side
    31,311.60x = 481,188,993.13
  5. Step 5: Solve for x
    x = 481,188,993.13/31,311.60
  6. Step 6: Final answer
    x = 15,367.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.