Home / 30,009.96-41,416.38-17,438.76

Finding the Fourth Proportional to 30,009.96, 41,416.38 and 17,438.76

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Solution

The fourth proportional to 30,009.96, 41,416.38 and 17,438.76 is: 24,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.96 : 41,416.38 = 17,438.76 : x
  2. Step 2: Convert to fraction form
    30,009.96/41,416.38 = 17,438.76/x
  3. Step 3: Cross multiply
    30,009.96x = 41,416.38 × 17,438.76
  4. Step 4: Simplify right side
    30,009.96x = 722,250,310.89
  5. Step 5: Solve for x
    x = 722,250,310.89/30,009.96
  6. Step 6: Final answer
    x = 24,067.02

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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.