Home / 36,090.16-49,805.55-20,174.54

Finding the Fourth Proportional to 36,090.16, 49,805.55 and 20,174.54

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Solution

The fourth proportional to 36,090.16, 49,805.55 and 20,174.54 is: 27,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.16 : 49,805.55 = 20,174.54 : x
  2. Step 2: Convert to fraction form
    36,090.16/49,805.55 = 20,174.54/x
  3. Step 3: Cross multiply
    36,090.16x = 49,805.55 × 20,174.54
  4. Step 4: Simplify right side
    36,090.16x = 1,004,803,811.67
  5. Step 5: Solve for x
    x = 1,004,803,811.67/36,090.16
  6. Step 6: Final answer
    x = 27,841.49

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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.