Home / 30,192.96-41,668.92-17,621.76

Finding the Fourth Proportional to 30,192.96, 41,668.92 and 17,621.76

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Solution

The fourth proportional to 30,192.96, 41,668.92 and 17,621.76 is: 24,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.96 : 41,668.92 = 17,621.76 : x
  2. Step 2: Convert to fraction form
    30,192.96/41,668.92 = 17,621.76/x
  3. Step 3: Cross multiply
    30,192.96x = 41,668.92 × 17,621.76
  4. Step 4: Simplify right side
    30,192.96x = 734,279,707.70
  5. Step 5: Solve for x
    x = 734,279,707.70/30,192.96
  6. Step 6: Final answer
    x = 24,319.57

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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.