Home / 30,743.40-46,126-15,171.96

Finding the Fourth Proportional to 30,743.40, 46,126 and 15,171.96

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Solution

The fourth proportional to 30,743.40, 46,126 and 15,171.96 is: 22,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,743.40 : 46,126 = 15,171.96 : x
  2. Step 2: Convert to fraction form
    30,743.40/46,126 = 15,171.96/x
  3. Step 3: Cross multiply
    30,743.40x = 46,126 × 15,171.96
  4. Step 4: Simplify right side
    30,743.40x = 699,821,826.96
  5. Step 5: Solve for x
    x = 699,821,826.96/30,743.40
  6. Step 6: Final answer
    x = 22,763.32

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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.