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Finding the Fourth Proportional to 32,685.19, 49,027.78 and 8,061.19

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Solution

The fourth proportional to 32,685.19, 49,027.78 and 8,061.19 is: 12,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.19 : 49,027.78 = 8,061.19 : x
  2. Step 2: Convert to fraction form
    32,685.19/49,027.78 = 8,061.19/x
  3. Step 3: Cross multiply
    32,685.19x = 49,027.78 × 8,061.19
  4. Step 4: Simplify right side
    32,685.19x = 395,222,137.37
  5. Step 5: Solve for x
    x = 395,222,137.37/32,685.19
  6. Step 6: Final answer
    x = 12,091.78

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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.