Home / 31,226.08-46,838.88-12,745.12

Finding the Fourth Proportional to 31,226.08, 46,838.88 and 12,745.12

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Solution

The fourth proportional to 31,226.08, 46,838.88 and 12,745.12 is: 19,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.08 : 46,838.88 = 12,745.12 : x
  2. Step 2: Convert to fraction form
    31,226.08/46,838.88 = 12,745.12/x
  3. Step 3: Cross multiply
    31,226.08x = 46,838.88 × 12,745.12
  4. Step 4: Simplify right side
    31,226.08x = 596,967,146.27
  5. Step 5: Solve for x
    x = 596,967,146.27/31,226.08
  6. Step 6: Final answer
    x = 19,117.58

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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.