Home / 45,933.62-68,899.35-12,653.42

Finding the Fourth Proportional to 45,933.62, 68,899.35 and 12,653.42

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Solution

The fourth proportional to 45,933.62, 68,899.35 and 12,653.42 is: 18,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,933.62 : 68,899.35 = 12,653.42 : x
  2. Step 2: Convert to fraction form
    45,933.62/68,899.35 = 12,653.42/x
  3. Step 3: Cross multiply
    45,933.62x = 68,899.35 × 12,653.42
  4. Step 4: Simplify right side
    45,933.62x = 871,812,413.28
  5. Step 5: Solve for x
    x = 871,812,413.28/45,933.62
  6. Step 6: Final answer
    x = 18,979.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.