Home / 45,576.29-68,334.77-18,914.94

Finding the Fourth Proportional to 45,576.29, 68,334.77 and 18,914.94

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Solution

The fourth proportional to 45,576.29, 68,334.77 and 18,914.94 is: 28,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.29 : 68,334.77 = 18,914.94 : x
  2. Step 2: Convert to fraction form
    45,576.29/68,334.77 = 18,914.94/x
  3. Step 3: Cross multiply
    45,576.29x = 68,334.77 × 18,914.94
  4. Step 4: Simplify right side
    45,576.29x = 1,292,548,121.75
  5. Step 5: Solve for x
    x = 1,292,548,121.75/45,576.29
  6. Step 6: Final answer
    x = 28,360.10

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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.