Home / 30,803.14-46,204.30-7,429.39

Finding the Fourth Proportional to 30,803.14, 46,204.30 and 7,429.39

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Solution

The fourth proportional to 30,803.14, 46,204.30 and 7,429.39 is: 11,143.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.14 : 46,204.30 = 7,429.39 : x
  2. Step 2: Convert to fraction form
    30,803.14/46,204.30 = 7,429.39/x
  3. Step 3: Cross multiply
    30,803.14x = 46,204.30 × 7,429.39
  4. Step 4: Simplify right side
    30,803.14x = 343,269,764.38
  5. Step 5: Solve for x
    x = 343,269,764.38/30,803.14
  6. Step 6: Final answer
    x = 11,143.99

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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.