Home / 30,010.23-41,425.97-19,799.64

Finding the Fourth Proportional to 30,010.23, 41,425.97 and 19,799.64

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Solution

The fourth proportional to 30,010.23, 41,425.97 and 19,799.64 is: 27,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.23 : 41,425.97 = 19,799.64 : x
  2. Step 2: Convert to fraction form
    30,010.23/41,425.97 = 19,799.64/x
  3. Step 3: Cross multiply
    30,010.23x = 41,425.97 × 19,799.64
  4. Step 4: Simplify right side
    30,010.23x = 820,219,193.65
  5. Step 5: Solve for x
    x = 820,219,193.65/30,010.23
  6. Step 6: Final answer
    x = 27,331.32

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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.