Home / 31,216.78-46,846.23-11,511.10

Finding the Fourth Proportional to 31,216.78, 46,846.23 and 11,511.10

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Solution

The fourth proportional to 31,216.78, 46,846.23 and 11,511.10 is: 17,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.78 : 46,846.23 = 11,511.10 : x
  2. Step 2: Convert to fraction form
    31,216.78/46,846.23 = 11,511.10/x
  3. Step 3: Cross multiply
    31,216.78x = 46,846.23 × 11,511.10
  4. Step 4: Simplify right side
    31,216.78x = 539,251,638.15
  5. Step 5: Solve for x
    x = 539,251,638.15/31,216.78
  6. Step 6: Final answer
    x = 17,274.42

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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.