Home / 30,115.33-41,558.47-17,368.54

Finding the Fourth Proportional to 30,115.33, 41,558.47 and 17,368.54

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Solution

The fourth proportional to 30,115.33, 41,558.47 and 17,368.54 is: 23,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.33 : 41,558.47 = 17,368.54 : x
  2. Step 2: Convert to fraction form
    30,115.33/41,558.47 = 17,368.54/x
  3. Step 3: Cross multiply
    30,115.33x = 41,558.47 × 17,368.54
  4. Step 4: Simplify right side
    30,115.33x = 721,809,859.66
  5. Step 5: Solve for x
    x = 721,809,859.66/30,115.33
  6. Step 6: Final answer
    x = 23,968.19

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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.