Home / 30,668.63-42,322.70-18,093.38

Finding the Fourth Proportional to 30,668.63, 42,322.70 and 18,093.38

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Solution

The fourth proportional to 30,668.63, 42,322.70 and 18,093.38 is: 24,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.63 : 42,322.70 = 18,093.38 : x
  2. Step 2: Convert to fraction form
    30,668.63/42,322.70 = 18,093.38/x
  3. Step 3: Cross multiply
    30,668.63x = 42,322.70 × 18,093.38
  4. Step 4: Simplify right side
    30,668.63x = 765,760,527.35
  5. Step 5: Solve for x
    x = 765,760,527.35/30,668.63
  6. Step 6: Final answer
    x = 24,968.86

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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.