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Finding the Fourth Proportional to 36,386, 54,596.28 and 11,762

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Solution

The fourth proportional to 36,386, 54,596.28 and 11,762 is: 17,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386 : 54,596.28 = 11,762 : x
  2. Step 2: Convert to fraction form
    36,386/54,596.28 = 11,762/x
  3. Step 3: Cross multiply
    36,386x = 54,596.28 × 11,762
  4. Step 4: Simplify right side
    36,386x = 642,161,445.36
  5. Step 5: Solve for x
    x = 642,161,445.36/36,386
  6. Step 6: Final answer
    x = 17,648.59

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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.