Home / 30,204.36-45,309.78-12,682.44

Finding the Fourth Proportional to 30,204.36, 45,309.78 and 12,682.44

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Solution

The fourth proportional to 30,204.36, 45,309.78 and 12,682.44 is: 19,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.36 : 45,309.78 = 12,682.44 : x
  2. Step 2: Convert to fraction form
    30,204.36/45,309.78 = 12,682.44/x
  3. Step 3: Cross multiply
    30,204.36x = 45,309.78 × 12,682.44
  4. Step 4: Simplify right side
    30,204.36x = 574,638,566.26
  5. Step 5: Solve for x
    x = 574,638,566.26/30,204.36
  6. Step 6: Final answer
    x = 19,025.02

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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.