Home / 36,036.78-49,735.74-20,122.26

Finding the Fourth Proportional to 36,036.78, 49,735.74 and 20,122.26

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Solution

The fourth proportional to 36,036.78, 49,735.74 and 20,122.26 is: 27,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.78 : 49,735.74 = 20,122.26 : x
  2. Step 2: Convert to fraction form
    36,036.78/49,735.74 = 20,122.26/x
  3. Step 3: Cross multiply
    36,036.78x = 49,735.74 × 20,122.26
  4. Step 4: Simplify right side
    36,036.78x = 1,000,795,491.57
  5. Step 5: Solve for x
    x = 1,000,795,491.57/36,036.78
  6. Step 6: Final answer
    x = 27,771.50

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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.