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Finding the Fourth Proportional to 36,788, 50,763.93 and 20,651.62

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Solution

The fourth proportional to 36,788, 50,763.93 and 20,651.62 is: 28,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,788 : 50,763.93 = 20,651.62 : x
  2. Step 2: Convert to fraction form
    36,788/50,763.93 = 20,651.62/x
  3. Step 3: Cross multiply
    36,788x = 50,763.93 × 20,651.62
  4. Step 4: Simplify right side
    36,788x = 1,048,357,392.07
  5. Step 5: Solve for x
    x = 1,048,357,392.07/36,788
  6. Step 6: Final answer
    x = 28,497.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.