Home / 31,169.06-46,718.86-12,444.29

Finding the Fourth Proportional to 31,169.06, 46,718.86 and 12,444.29

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Solution

The fourth proportional to 31,169.06, 46,718.86 and 12,444.29 is: 18,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.06 : 46,718.86 = 12,444.29 : x
  2. Step 2: Convert to fraction form
    31,169.06/46,718.86 = 12,444.29/x
  3. Step 3: Cross multiply
    31,169.06x = 46,718.86 × 12,444.29
  4. Step 4: Simplify right side
    31,169.06x = 581,383,042.31
  5. Step 5: Solve for x
    x = 581,383,042.31/31,169.06
  6. Step 6: Final answer
    x = 18,652.57

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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.