Home / 30,240.13-41,713.15-19,481.46

Finding the Fourth Proportional to 30,240.13, 41,713.15 and 19,481.46

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Solution

The fourth proportional to 30,240.13, 41,713.15 and 19,481.46 is: 26,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.13 : 41,713.15 = 19,481.46 : x
  2. Step 2: Convert to fraction form
    30,240.13/41,713.15 = 19,481.46/x
  3. Step 3: Cross multiply
    30,240.13x = 41,713.15 × 19,481.46
  4. Step 4: Simplify right side
    30,240.13x = 812,633,063.20
  5. Step 5: Solve for x
    x = 812,633,063.20/30,240.13
  6. Step 6: Final answer
    x = 26,872.67

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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.