Home / 36,419.88-54,647.70-13,048.20

Finding the Fourth Proportional to 36,419.88, 54,647.70 and 13,048.20

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Solution

The fourth proportional to 36,419.88, 54,647.70 and 13,048.20 is: 19,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.88 : 54,647.70 = 13,048.20 : x
  2. Step 2: Convert to fraction form
    36,419.88/54,647.70 = 13,048.20/x
  3. Step 3: Cross multiply
    36,419.88x = 54,647.70 × 13,048.20
  4. Step 4: Simplify right side
    36,419.88x = 713,054,119.14
  5. Step 5: Solve for x
    x = 713,054,119.14/36,419.88
  6. Step 6: Final answer
    x = 19,578.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.