Home / 30,078.44-41,507.63-16,648.89

Finding the Fourth Proportional to 30,078.44, 41,507.63 and 16,648.89

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Solution

The fourth proportional to 30,078.44, 41,507.63 and 16,648.89 is: 22,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.44 : 41,507.63 = 16,648.89 : x
  2. Step 2: Convert to fraction form
    30,078.44/41,507.63 = 16,648.89/x
  3. Step 3: Cross multiply
    30,078.44x = 41,507.63 × 16,648.89
  4. Step 4: Simplify right side
    30,078.44x = 691,055,882.79
  5. Step 5: Solve for x
    x = 691,055,882.79/30,078.44
  6. Step 6: Final answer
    x = 22,975.13

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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.