Home / 49,548.48-74,323.68-12,108.64

Finding the Fourth Proportional to 49,548.48, 74,323.68 and 12,108.64

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Solution

The fourth proportional to 49,548.48, 74,323.68 and 12,108.64 is: 18,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,548.48 : 74,323.68 = 12,108.64 : x
  2. Step 2: Convert to fraction form
    49,548.48/74,323.68 = 12,108.64/x
  3. Step 3: Cross multiply
    49,548.48x = 74,323.68 × 12,108.64
  4. Step 4: Simplify right side
    49,548.48x = 899,958,684.60
  5. Step 5: Solve for x
    x = 899,958,684.60/49,548.48
  6. Step 6: Final answer
    x = 18,163.19

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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.