Home / 30,940.72-46,369.14-14,264.08

Finding the Fourth Proportional to 30,940.72, 46,369.14 and 14,264.08

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Solution

The fourth proportional to 30,940.72, 46,369.14 and 14,264.08 is: 21,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.72 : 46,369.14 = 14,264.08 : x
  2. Step 2: Convert to fraction form
    30,940.72/46,369.14 = 14,264.08/x
  3. Step 3: Cross multiply
    30,940.72x = 46,369.14 × 14,264.08
  4. Step 4: Simplify right side
    30,940.72x = 661,413,122.49
  5. Step 5: Solve for x
    x = 661,413,122.49/30,940.72
  6. Step 6: Final answer
    x = 21,376.79

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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.