Home / 49,615.40-74,401.54-18,014.94

Finding the Fourth Proportional to 49,615.40, 74,401.54 and 18,014.94

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Solution

The fourth proportional to 49,615.40, 74,401.54 and 18,014.94 is: 27,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,615.40 : 74,401.54 = 18,014.94 : x
  2. Step 2: Convert to fraction form
    49,615.40/74,401.54 = 18,014.94/x
  3. Step 3: Cross multiply
    49,615.40x = 74,401.54 × 18,014.94
  4. Step 4: Simplify right side
    49,615.40x = 1,340,339,233.97
  5. Step 5: Solve for x
    x = 1,340,339,233.97/49,615.40
  6. Step 6: Final answer
    x = 27,014.58

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1.5x scale

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.