Home / 30,536.73-42,147.97-17,968.77

Finding the Fourth Proportional to 30,536.73, 42,147.97 and 17,968.77

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Solution

The fourth proportional to 30,536.73, 42,147.97 and 17,968.77 is: 24,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536.73 : 42,147.97 = 17,968.77 : x
  2. Step 2: Convert to fraction form
    30,536.73/42,147.97 = 17,968.77/x
  3. Step 3: Cross multiply
    30,536.73x = 42,147.97 × 17,968.77
  4. Step 4: Simplify right side
    30,536.73x = 757,347,133.97
  5. Step 5: Solve for x
    x = 757,347,133.97/30,536.73
  6. Step 6: Final answer
    x = 24,801.19

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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.