Home / 30,276.01-41,786.67-20,049.01

Finding the Fourth Proportional to 30,276.01, 41,786.67 and 20,049.01

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Solution

The fourth proportional to 30,276.01, 41,786.67 and 20,049.01 is: 27,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.01 : 41,786.67 = 20,049.01 : x
  2. Step 2: Convert to fraction form
    30,276.01/41,786.67 = 20,049.01/x
  3. Step 3: Cross multiply
    30,276.01x = 41,786.67 × 20,049.01
  4. Step 4: Simplify right side
    30,276.01x = 837,781,364.70
  5. Step 5: Solve for x
    x = 837,781,364.70/30,276.01
  6. Step 6: Final answer
    x = 27,671.46

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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.