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Finding the Fourth Proportional to 36,426, 54,639 and 11,802

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Solution

The fourth proportional to 36,426, 54,639 and 11,802 is: 17,703

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,426 : 54,639 = 11,802 : x
  2. Step 2: Convert to fraction form
    36,426/54,639 = 11,802/x
  3. Step 3: Cross multiply
    36,426x = 54,639 × 11,802
  4. Step 4: Simplify right side
    36,426x = 644,849,478
  5. Step 5: Solve for x
    x = 644,849,478/36,426
  6. Step 6: Final answer
    x = 17,703

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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.