Home / 31,110.54-42,932.39-17,682.36

Finding the Fourth Proportional to 31,110.54, 42,932.39 and 17,682.36

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Solution

The fourth proportional to 31,110.54, 42,932.39 and 17,682.36 is: 24,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.54 : 42,932.39 = 17,682.36 : x
  2. Step 2: Convert to fraction form
    31,110.54/42,932.39 = 17,682.36/x
  3. Step 3: Cross multiply
    31,110.54x = 42,932.39 × 17,682.36
  4. Step 4: Simplify right side
    31,110.54x = 759,145,975.64
  5. Step 5: Solve for x
    x = 759,145,975.64/31,110.54
  6. Step 6: Final answer
    x = 24,401.57

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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.