Home / 30,275.52-41,770.26-18,334.32

Finding the Fourth Proportional to 30,275.52, 41,770.26 and 18,334.32

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Solution

The fourth proportional to 30,275.52, 41,770.26 and 18,334.32 is: 25,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.52 : 41,770.26 = 18,334.32 : x
  2. Step 2: Convert to fraction form
    30,275.52/41,770.26 = 18,334.32/x
  3. Step 3: Cross multiply
    30,275.52x = 41,770.26 × 18,334.32
  4. Step 4: Simplify right side
    30,275.52x = 765,829,313.32
  5. Step 5: Solve for x
    x = 765,829,313.32/30,275.52
  6. Step 6: Final answer
    x = 25,295.33

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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.