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Finding the Fourth Proportional to 36,768, 55,170.23 and 14,580.89

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Solution

The fourth proportional to 36,768, 55,170.23 and 14,580.89 is: 21,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768 : 55,170.23 = 14,580.89 : x
  2. Step 2: Convert to fraction form
    36,768/55,170.23 = 14,580.89/x
  3. Step 3: Cross multiply
    36,768x = 55,170.23 × 14,580.89
  4. Step 4: Simplify right side
    36,768x = 804,430,706.15
  5. Step 5: Solve for x
    x = 804,430,706.15/36,768
  6. Step 6: Final answer
    x = 21,878.55

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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.