Home / 30,625.53-45,953.85-13,983.36

Finding the Fourth Proportional to 30,625.53, 45,953.85 and 13,983.36

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Solution

The fourth proportional to 30,625.53, 45,953.85 and 13,983.36 is: 20,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.53 : 45,953.85 = 13,983.36 : x
  2. Step 2: Convert to fraction form
    30,625.53/45,953.85 = 13,983.36/x
  3. Step 3: Cross multiply
    30,625.53x = 45,953.85 × 13,983.36
  4. Step 4: Simplify right side
    30,625.53x = 642,589,227.94
  5. Step 5: Solve for x
    x = 642,589,227.94/30,625.53
  6. Step 6: Final answer
    x = 20,982.14

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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.