Home / 36,830.19-55,243.91-21,940.37

Finding the Fourth Proportional to 36,830.19, 55,243.91 and 21,940.37

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Solution

The fourth proportional to 36,830.19, 55,243.91 and 21,940.37 is: 32,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.19 : 55,243.91 = 21,940.37 : x
  2. Step 2: Convert to fraction form
    36,830.19/55,243.91 = 21,940.37/x
  3. Step 3: Cross multiply
    36,830.19x = 55,243.91 × 21,940.37
  4. Step 4: Simplify right side
    36,830.19x = 1,212,071,825.65
  5. Step 5: Solve for x
    x = 1,212,071,825.65/36,830.19
  6. Step 6: Final answer
    x = 32,909.74

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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.