Home / 31,852.01-43,960.85-18,431.42

Finding the Fourth Proportional to 31,852.01, 43,960.85 and 18,431.42

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Solution

The fourth proportional to 31,852.01, 43,960.85 and 18,431.42 is: 25,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.01 : 43,960.85 = 18,431.42 : x
  2. Step 2: Convert to fraction form
    31,852.01/43,960.85 = 18,431.42/x
  3. Step 3: Cross multiply
    31,852.01x = 43,960.85 × 18,431.42
  4. Step 4: Simplify right side
    31,852.01x = 810,260,889.91
  5. Step 5: Solve for x
    x = 810,260,889.91/31,852.01
  6. Step 6: Final answer
    x = 25,438.30

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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.