Home / 30,351.30-41,911.23-19,040.24

Finding the Fourth Proportional to 30,351.30, 41,911.23 and 19,040.24

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Solution

The fourth proportional to 30,351.30, 41,911.23 and 19,040.24 is: 26,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.30 : 41,911.23 = 19,040.24 : x
  2. Step 2: Convert to fraction form
    30,351.30/41,911.23 = 19,040.24/x
  3. Step 3: Cross multiply
    30,351.30x = 41,911.23 × 19,040.24
  4. Step 4: Simplify right side
    30,351.30x = 797,999,668.34
  5. Step 5: Solve for x
    x = 797,999,668.34/30,351.30
  6. Step 6: Final answer
    x = 26,292.11

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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.