Home / 30,388.62-41,924.59-19,038.37

Finding the Fourth Proportional to 30,388.62, 41,924.59 and 19,038.37

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Solution

The fourth proportional to 30,388.62, 41,924.59 and 19,038.37 is: 26,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.62 : 41,924.59 = 19,038.37 : x
  2. Step 2: Convert to fraction form
    30,388.62/41,924.59 = 19,038.37/x
  3. Step 3: Cross multiply
    30,388.62x = 41,924.59 × 19,038.37
  4. Step 4: Simplify right side
    30,388.62x = 798,175,664.81
  5. Step 5: Solve for x
    x = 798,175,664.81/30,388.62
  6. Step 6: Final answer
    x = 26,265.61

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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.