Home / 36,651.51-54,882.09-31,419.99

Finding the Fourth Proportional to 36,651.51, 54,882.09 and 31,419.99

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Solution

The fourth proportional to 36,651.51, 54,882.09 and 31,419.99 is: 47,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.51 : 54,882.09 = 31,419.99 : x
  2. Step 2: Convert to fraction form
    36,651.51/54,882.09 = 31,419.99/x
  3. Step 3: Cross multiply
    36,651.51x = 54,882.09 × 31,419.99
  4. Step 4: Simplify right side
    36,651.51x = 1,724,394,718.98
  5. Step 5: Solve for x
    x = 1,724,394,718.98/36,651.51
  6. Step 6: Final answer
    x = 47,048.39

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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.