Home / 30,015.03-41,421.63-17,922.61

Finding the Fourth Proportional to 30,015.03, 41,421.63 and 17,922.61

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Solution

The fourth proportional to 30,015.03, 41,421.63 and 17,922.61 is: 24,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.03 : 41,421.63 = 17,922.61 : x
  2. Step 2: Convert to fraction form
    30,015.03/41,421.63 = 17,922.61/x
  3. Step 3: Cross multiply
    30,015.03x = 41,421.63 × 17,922.61
  4. Step 4: Simplify right side
    30,015.03x = 742,383,720.05
  5. Step 5: Solve for x
    x = 742,383,720.05/30,015.03
  6. Step 6: Final answer
    x = 24,733.73

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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.