Home / 30,568.70-45,643.90-27,385.64

Finding the Fourth Proportional to 30,568.70, 45,643.90 and 27,385.64

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Solution

The fourth proportional to 30,568.70, 45,643.90 and 27,385.64 is: 40,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.70 : 45,643.90 = 27,385.64 : x
  2. Step 2: Convert to fraction form
    30,568.70/45,643.90 = 27,385.64/x
  3. Step 3: Cross multiply
    30,568.70x = 45,643.90 × 27,385.64
  4. Step 4: Simplify right side
    30,568.70x = 1,249,987,413.60
  5. Step 5: Solve for x
    x = 1,249,987,413.60/30,568.70
  6. Step 6: Final answer
    x = 40,891.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.