Home / 29,163.23-40,243.16-16,415.75

Finding the Fourth Proportional to 29,163.23, 40,243.16 and 16,415.75

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Solution

The fourth proportional to 29,163.23, 40,243.16 and 16,415.75 is: 22,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,163.23 : 40,243.16 = 16,415.75 : x
  2. Step 2: Convert to fraction form
    29,163.23/40,243.16 = 16,415.75/x
  3. Step 3: Cross multiply
    29,163.23x = 40,243.16 × 16,415.75
  4. Step 4: Simplify right side
    29,163.23x = 660,621,653.77
  5. Step 5: Solve for x
    x = 660,621,653.77/29,163.23
  6. Step 6: Final answer
    x = 22,652.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.