Home / 31,290.45-46,656.56-27,813.12

Finding the Fourth Proportional to 31,290.45, 46,656.56 and 27,813.12

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Solution

The fourth proportional to 31,290.45, 46,656.56 and 27,813.12 is: 41,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.45 : 46,656.56 = 27,813.12 : x
  2. Step 2: Convert to fraction form
    31,290.45/46,656.56 = 27,813.12/x
  3. Step 3: Cross multiply
    31,290.45x = 46,656.56 × 27,813.12
  4. Step 4: Simplify right side
    31,290.45x = 1,297,664,396.64
  5. Step 5: Solve for x
    x = 1,297,664,396.64/31,290.45
  6. Step 6: Final answer
    x = 41,471.58

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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.