Home / 30,268.22-45,401.83-13,616.47

Finding the Fourth Proportional to 30,268.22, 45,401.83 and 13,616.47

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Solution

The fourth proportional to 30,268.22, 45,401.83 and 13,616.47 is: 20,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.22 : 45,401.83 = 13,616.47 : x
  2. Step 2: Convert to fraction form
    30,268.22/45,401.83 = 13,616.47/x
  3. Step 3: Cross multiply
    30,268.22x = 45,401.83 × 13,616.47
  4. Step 4: Simplify right side
    30,268.22x = 618,212,755.44
  5. Step 5: Solve for x
    x = 618,212,755.44/30,268.22
  6. Step 6: Final answer
    x = 20,424.49

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1.5x scale

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.