Home / 36,075.21-49,783.95-19,722.75

Finding the Fourth Proportional to 36,075.21, 49,783.95 and 19,722.75

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Solution

The fourth proportional to 36,075.21, 49,783.95 and 19,722.75 is: 27,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,075.21 : 49,783.95 = 19,722.75 : x
  2. Step 2: Convert to fraction form
    36,075.21/49,783.95 = 19,722.75/x
  3. Step 3: Cross multiply
    36,075.21x = 49,783.95 × 19,722.75
  4. Step 4: Simplify right side
    36,075.21x = 981,876,213.17
  5. Step 5: Solve for x
    x = 981,876,213.17/36,075.21
  6. Step 6: Final answer
    x = 27,217.48

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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.