Home / 30,029.26-41,441.70-18,705.46

Finding the Fourth Proportional to 30,029.26, 41,441.70 and 18,705.46

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Solution

The fourth proportional to 30,029.26, 41,441.70 and 18,705.46 is: 25,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.26 : 41,441.70 = 18,705.46 : x
  2. Step 2: Convert to fraction form
    30,029.26/41,441.70 = 18,705.46/x
  3. Step 3: Cross multiply
    30,029.26x = 41,441.70 × 18,705.46
  4. Step 4: Simplify right side
    30,029.26x = 775,186,061.68
  5. Step 5: Solve for x
    x = 775,186,061.68/30,029.26
  6. Step 6: Final answer
    x = 25,814.36

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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.