Home / 36,015.02-49,698.71-20,100.49

Finding the Fourth Proportional to 36,015.02, 49,698.71 and 20,100.49

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Solution

The fourth proportional to 36,015.02, 49,698.71 and 20,100.49 is: 27,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,015.02 : 49,698.71 = 20,100.49 : x
  2. Step 2: Convert to fraction form
    36,015.02/49,698.71 = 20,100.49/x
  3. Step 3: Cross multiply
    36,015.02x = 49,698.71 × 20,100.49
  4. Step 4: Simplify right side
    36,015.02x = 998,968,423.37
  5. Step 5: Solve for x
    x = 998,968,423.37/36,015.02
  6. Step 6: Final answer
    x = 27,737.55

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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.