Home / 36,830.07-55,243.73-21,940.25

Finding the Fourth Proportional to 36,830.07, 55,243.73 and 21,940.25

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Solution

The fourth proportional to 36,830.07, 55,243.73 and 21,940.25 is: 32,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.07 : 55,243.73 = 21,940.25 : x
  2. Step 2: Convert to fraction form
    36,830.07/55,243.73 = 21,940.25/x
  3. Step 3: Cross multiply
    36,830.07x = 55,243.73 × 21,940.25
  4. Step 4: Simplify right side
    36,830.07x = 1,212,060,861.21
  5. Step 5: Solve for x
    x = 1,212,060,861.21/36,830.07
  6. Step 6: Final answer
    x = 32,909.55

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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.