Home / 30,195.33-41,675.45-19,286.45

Finding the Fourth Proportional to 30,195.33, 41,675.45 and 19,286.45

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Solution

The fourth proportional to 30,195.33, 41,675.45 and 19,286.45 is: 26,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.33 : 41,675.45 = 19,286.45 : x
  2. Step 2: Convert to fraction form
    30,195.33/41,675.45 = 19,286.45/x
  3. Step 3: Cross multiply
    30,195.33x = 41,675.45 × 19,286.45
  4. Step 4: Simplify right side
    30,195.33x = 803,771,482.65
  5. Step 5: Solve for x
    x = 803,771,482.65/30,195.33
  6. Step 6: Final answer
    x = 26,619.07

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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.