Home / 36,516.39-54,780.64-12,817.79

Finding the Fourth Proportional to 36,516.39, 54,780.64 and 12,817.79

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Solution

The fourth proportional to 36,516.39, 54,780.64 and 12,817.79 is: 19,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,516.39 : 54,780.64 = 12,817.79 : x
  2. Step 2: Convert to fraction form
    36,516.39/54,780.64 = 12,817.79/x
  3. Step 3: Cross multiply
    36,516.39x = 54,780.64 × 12,817.79
  4. Step 4: Simplify right side
    36,516.39x = 702,166,654.62
  5. Step 5: Solve for x
    x = 702,166,654.62/36,516.39
  6. Step 6: Final answer
    x = 19,228.81

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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.