Home / 41,981.28-62,986.48-18,624.08

Finding the Fourth Proportional to 41,981.28, 62,986.48 and 18,624.08

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Solution

The fourth proportional to 41,981.28, 62,986.48 and 18,624.08 is: 27,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.28 : 62,986.48 = 18,624.08 : x
  2. Step 2: Convert to fraction form
    41,981.28/62,986.48 = 18,624.08/x
  3. Step 3: Cross multiply
    41,981.28x = 62,986.48 × 18,624.08
  4. Step 4: Simplify right side
    41,981.28x = 1,173,065,242.44
  5. Step 5: Solve for x
    x = 1,173,065,242.44/41,981.28
  6. Step 6: Final answer
    x = 27,942.58

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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.