Home / 30,188.96-41,661.92-16,578.14

Finding the Fourth Proportional to 30,188.96, 41,661.92 and 16,578.14

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Solution

The fourth proportional to 30,188.96, 41,661.92 and 16,578.14 is: 22,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.96 : 41,661.92 = 16,578.14 : x
  2. Step 2: Convert to fraction form
    30,188.96/41,661.92 = 16,578.14/x
  3. Step 3: Cross multiply
    30,188.96x = 41,661.92 × 16,578.14
  4. Step 4: Simplify right side
    30,188.96x = 690,676,934.12
  5. Step 5: Solve for x
    x = 690,676,934.12/30,188.96
  6. Step 6: Final answer
    x = 22,878.46

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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.