Home / 30,629.51-42,268.55-17,201.94

Finding the Fourth Proportional to 30,629.51, 42,268.55 and 17,201.94

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Solution

The fourth proportional to 30,629.51, 42,268.55 and 17,201.94 is: 23,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.51 : 42,268.55 = 17,201.94 : x
  2. Step 2: Convert to fraction form
    30,629.51/42,268.55 = 17,201.94/x
  3. Step 3: Cross multiply
    30,629.51x = 42,268.55 × 17,201.94
  4. Step 4: Simplify right side
    30,629.51x = 727,101,060.99
  5. Step 5: Solve for x
    x = 727,101,060.99/30,629.51
  6. Step 6: Final answer
    x = 23,738.58

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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.