Home / 30,668.10-42,326.46-17,240.46

Finding the Fourth Proportional to 30,668.10, 42,326.46 and 17,240.46

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Solution

The fourth proportional to 30,668.10, 42,326.46 and 17,240.46 is: 23,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.10 : 42,326.46 = 17,240.46 : x
  2. Step 2: Convert to fraction form
    30,668.10/42,326.46 = 17,240.46/x
  3. Step 3: Cross multiply
    30,668.10x = 42,326.46 × 17,240.46
  4. Step 4: Simplify right side
    30,668.10x = 729,727,640.57
  5. Step 5: Solve for x
    x = 729,727,640.57/30,668.10
  6. Step 6: Final answer
    x = 23,794.35

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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.