Home / 36,008.05-49,700.01-21,872.74

Finding the Fourth Proportional to 36,008.05, 49,700.01 and 21,872.74

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Solution

The fourth proportional to 36,008.05, 49,700.01 and 21,872.74 is: 30,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.05 : 49,700.01 = 21,872.74 : x
  2. Step 2: Convert to fraction form
    36,008.05/49,700.01 = 21,872.74/x
  3. Step 3: Cross multiply
    36,008.05x = 49,700.01 × 21,872.74
  4. Step 4: Simplify right side
    36,008.05x = 1,087,075,396.73
  5. Step 5: Solve for x
    x = 1,087,075,396.73/36,008.05
  6. Step 6: Final answer
    x = 30,189.79

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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.