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Finding the Fourth Proportional to 36,590.91, 54,891.02 and 11,622.05

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Solution

The fourth proportional to 36,590.91, 54,891.02 and 11,622.05 is: 17,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.91 : 54,891.02 = 11,622.05 : x
  2. Step 2: Convert to fraction form
    36,590.91/54,891.02 = 11,622.05/x
  3. Step 3: Cross multiply
    36,590.91x = 54,891.02 × 11,622.05
  4. Step 4: Simplify right side
    36,590.91x = 637,946,178.99
  5. Step 5: Solve for x
    x = 637,946,178.99/36,590.91
  6. Step 6: Final answer
    x = 17,434.55

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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.