Home / 30,975.36-46,481.26-12,257.20

Finding the Fourth Proportional to 30,975.36, 46,481.26 and 12,257.20

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Solution

The fourth proportional to 30,975.36, 46,481.26 and 12,257.20 is: 18,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975.36 : 46,481.26 = 12,257.20 : x
  2. Step 2: Convert to fraction form
    30,975.36/46,481.26 = 12,257.20/x
  3. Step 3: Cross multiply
    30,975.36x = 46,481.26 × 12,257.20
  4. Step 4: Simplify right side
    30,975.36x = 569,730,100.07
  5. Step 5: Solve for x
    x = 569,730,100.07/30,975.36
  6. Step 6: Final answer
    x = 18,393.01

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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.