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Finding the Fourth Proportional to 32,986.91, 49,480.47 and 8,026.97

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Solution

The fourth proportional to 32,986.91, 49,480.47 and 8,026.97 is: 12,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.91 : 49,480.47 = 8,026.97 : x
  2. Step 2: Convert to fraction form
    32,986.91/49,480.47 = 8,026.97/x
  3. Step 3: Cross multiply
    32,986.91x = 49,480.47 × 8,026.97
  4. Step 4: Simplify right side
    32,986.91x = 397,178,000.87
  5. Step 5: Solve for x
    x = 397,178,000.87/32,986.91
  6. Step 6: Final answer
    x = 12,040.47

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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.