Home / 30,469.32-45,698.32-13,825.36

Finding the Fourth Proportional to 30,469.32, 45,698.32 and 13,825.36

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Solution

The fourth proportional to 30,469.32, 45,698.32 and 13,825.36 is: 20,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.32 : 45,698.32 = 13,825.36 : x
  2. Step 2: Convert to fraction form
    30,469.32/45,698.32 = 13,825.36/x
  3. Step 3: Cross multiply
    30,469.32x = 45,698.32 × 13,825.36
  4. Step 4: Simplify right side
    30,469.32x = 631,795,725.40
  5. Step 5: Solve for x
    x = 631,795,725.40/30,469.32
  6. Step 6: Final answer
    x = 20,735.47

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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.