Home / 38,154.90-57,267.78-19,448.99

Finding the Fourth Proportional to 38,154.90, 57,267.78 and 19,448.99

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Solution

The fourth proportional to 38,154.90, 57,267.78 and 19,448.99 is: 29,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.90 : 57,267.78 = 19,448.99 : x
  2. Step 2: Convert to fraction form
    38,154.90/57,267.78 = 19,448.99/x
  3. Step 3: Cross multiply
    38,154.90x = 57,267.78 × 19,448.99
  4. Step 4: Simplify right side
    38,154.90x = 1,113,800,339.06
  5. Step 5: Solve for x
    x = 1,113,800,339.06/38,154.90
  6. Step 6: Final answer
    x = 29,191.54

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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.