Home / 30,317.22-45,504.27-18,653.22

Finding the Fourth Proportional to 30,317.22, 45,504.27 and 18,653.22

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Solution

The fourth proportional to 30,317.22, 45,504.27 and 18,653.22 is: 27,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.22 : 45,504.27 = 18,653.22 : x
  2. Step 2: Convert to fraction form
    30,317.22/45,504.27 = 18,653.22/x
  3. Step 3: Cross multiply
    30,317.22x = 45,504.27 × 18,653.22
  4. Step 4: Simplify right side
    30,317.22x = 848,801,159.25
  5. Step 5: Solve for x
    x = 848,801,159.25/30,317.22
  6. Step 6: Final answer
    x = 27,997.33

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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.