Home / 31,949.49-47,946.08-11,172.99

Finding the Fourth Proportional to 31,949.49, 47,946.08 and 11,172.99

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Solution

The fourth proportional to 31,949.49, 47,946.08 and 11,172.99 is: 16,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,949.49 : 47,946.08 = 11,172.99 : x
  2. Step 2: Convert to fraction form
    31,949.49/47,946.08 = 11,172.99/x
  3. Step 3: Cross multiply
    31,949.49x = 47,946.08 × 11,172.99
  4. Step 4: Simplify right side
    31,949.49x = 535,701,016.51
  5. Step 5: Solve for x
    x = 535,701,016.51/31,949.49
  6. Step 6: Final answer
    x = 16,767.12

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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.