Home / 33,278.04-49,902.35-12,486.96

Finding the Fourth Proportional to 33,278.04, 49,902.35 and 12,486.96

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Solution

The fourth proportional to 33,278.04, 49,902.35 and 12,486.96 is: 18,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.04 : 49,902.35 = 12,486.96 : x
  2. Step 2: Convert to fraction form
    33,278.04/49,902.35 = 12,486.96/x
  3. Step 3: Cross multiply
    33,278.04x = 49,902.35 × 12,486.96
  4. Step 4: Simplify right side
    33,278.04x = 623,128,585.92
  5. Step 5: Solve for x
    x = 623,128,585.92/33,278.04
  6. Step 6: Final answer
    x = 18,724.92

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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.