Home / 36,109.80-49,830.48-19,977.77

Finding the Fourth Proportional to 36,109.80, 49,830.48 and 19,977.77

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Solution

The fourth proportional to 36,109.80, 49,830.48 and 19,977.77 is: 27,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.80 : 49,830.48 = 19,977.77 : x
  2. Step 2: Convert to fraction form
    36,109.80/49,830.48 = 19,977.77/x
  3. Step 3: Cross multiply
    36,109.80x = 49,830.48 × 19,977.77
  4. Step 4: Simplify right side
    36,109.80x = 995,501,993.01
  5. Step 5: Solve for x
    x = 995,501,993.01/36,109.80
  6. Step 6: Final answer
    x = 27,568.75

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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.