Home / 30,388.35-41,955.45-19,073.37

Finding the Fourth Proportional to 30,388.35, 41,955.45 and 19,073.37

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Solution

The fourth proportional to 30,388.35, 41,955.45 and 19,073.37 is: 26,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.35 : 41,955.45 = 19,073.37 : x
  2. Step 2: Convert to fraction form
    30,388.35/41,955.45 = 19,073.37/x
  3. Step 3: Cross multiply
    30,388.35x = 41,955.45 × 19,073.37
  4. Step 4: Simplify right side
    30,388.35x = 800,231,821.37
  5. Step 5: Solve for x
    x = 800,231,821.37/30,388.35
  6. Step 6: Final answer
    x = 26,333.51

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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.