Home / 38,988.63-58,492.68-11,286.63

Finding the Fourth Proportional to 38,988.63, 58,492.68 and 11,286.63

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Solution

The fourth proportional to 38,988.63, 58,492.68 and 11,286.63 is: 16,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.63 : 58,492.68 = 11,286.63 : x
  2. Step 2: Convert to fraction form
    38,988.63/58,492.68 = 11,286.63/x
  3. Step 3: Cross multiply
    38,988.63x = 58,492.68 × 11,286.63
  4. Step 4: Simplify right side
    38,988.63x = 660,185,236.87
  5. Step 5: Solve for x
    x = 660,185,236.87/38,988.63
  6. Step 6: Final answer
    x = 16,932.76

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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.