Home / 40,253.36-60,379.08-12,550.64

Finding the Fourth Proportional to 40,253.36, 60,379.08 and 12,550.64

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Solution

The fourth proportional to 40,253.36, 60,379.08 and 12,550.64 is: 18,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.36 : 60,379.08 = 12,550.64 : x
  2. Step 2: Convert to fraction form
    40,253.36/60,379.08 = 12,550.64/x
  3. Step 3: Cross multiply
    40,253.36x = 60,379.08 × 12,550.64
  4. Step 4: Simplify right side
    40,253.36x = 757,796,096.61
  5. Step 5: Solve for x
    x = 757,796,096.61/40,253.36
  6. Step 6: Final answer
    x = 18,825.66

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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.