Home / 33,100.92-45,686.46-20,365.02

Finding the Fourth Proportional to 33,100.92, 45,686.46 and 20,365.02

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Solution

The fourth proportional to 33,100.92, 45,686.46 and 20,365.02 is: 28,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.92 : 45,686.46 = 20,365.02 : x
  2. Step 2: Convert to fraction form
    33,100.92/45,686.46 = 20,365.02/x
  3. Step 3: Cross multiply
    33,100.92x = 45,686.46 × 20,365.02
  4. Step 4: Simplify right side
    33,100.92x = 930,405,671.63
  5. Step 5: Solve for x
    x = 930,405,671.63/33,100.92
  6. Step 6: Final answer
    x = 28,108.15

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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.