Home / 30,161.42-41,624.07-20,073.74

Finding the Fourth Proportional to 30,161.42, 41,624.07 and 20,073.74

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Solution

The fourth proportional to 30,161.42, 41,624.07 and 20,073.74 is: 27,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.42 : 41,624.07 = 20,073.74 : x
  2. Step 2: Convert to fraction form
    30,161.42/41,624.07 = 20,073.74/x
  3. Step 3: Cross multiply
    30,161.42x = 41,624.07 × 20,073.74
  4. Step 4: Simplify right side
    30,161.42x = 835,550,758.92
  5. Step 5: Solve for x
    x = 835,550,758.92/30,161.42
  6. Step 6: Final answer
    x = 27,702.63

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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.