Home / 36,721.04-55,056.84-21,940.28

Finding the Fourth Proportional to 36,721.04, 55,056.84 and 21,940.28

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Solution

The fourth proportional to 36,721.04, 55,056.84 and 21,940.28 is: 32,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.04 : 55,056.84 = 21,940.28 : x
  2. Step 2: Convert to fraction form
    36,721.04/55,056.84 = 21,940.28/x
  3. Step 3: Cross multiply
    36,721.04x = 55,056.84 × 21,940.28
  4. Step 4: Simplify right side
    36,721.04x = 1,207,962,485.52
  5. Step 5: Solve for x
    x = 1,207,962,485.52/36,721.04
  6. Step 6: Final answer
    x = 32,895.65

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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.