Home / 31,182.06-46,795.50-12,451.35

Finding the Fourth Proportional to 31,182.06, 46,795.50 and 12,451.35

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Solution

The fourth proportional to 31,182.06, 46,795.50 and 12,451.35 is: 18,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.06 : 46,795.50 = 12,451.35 : x
  2. Step 2: Convert to fraction form
    31,182.06/46,795.50 = 12,451.35/x
  3. Step 3: Cross multiply
    31,182.06x = 46,795.50 × 12,451.35
  4. Step 4: Simplify right side
    31,182.06x = 582,667,148.93
  5. Step 5: Solve for x
    x = 582,667,148.93/31,182.06
  6. Step 6: Final answer
    x = 18,685.97

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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.