Home / 30,325.05-41,855.40-19,696.23

Finding the Fourth Proportional to 30,325.05, 41,855.40 and 19,696.23

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Solution

The fourth proportional to 30,325.05, 41,855.40 and 19,696.23 is: 27,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.05 : 41,855.40 = 19,696.23 : x
  2. Step 2: Convert to fraction form
    30,325.05/41,855.40 = 19,696.23/x
  3. Step 3: Cross multiply
    30,325.05x = 41,855.40 × 19,696.23
  4. Step 4: Simplify right side
    30,325.05x = 824,393,585.14
  5. Step 5: Solve for x
    x = 824,393,585.14/30,325.05
  6. Step 6: Final answer
    x = 27,185.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.