Home / 39,940.88-55,118.06-22,036.04

Finding the Fourth Proportional to 39,940.88, 55,118.06 and 22,036.04

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Solution

The fourth proportional to 39,940.88, 55,118.06 and 22,036.04 is: 30,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.88 : 55,118.06 = 22,036.04 : x
  2. Step 2: Convert to fraction form
    39,940.88/55,118.06 = 22,036.04/x
  3. Step 3: Cross multiply
    39,940.88x = 55,118.06 × 22,036.04
  4. Step 4: Simplify right side
    39,940.88x = 1,214,583,774.88
  5. Step 5: Solve for x
    x = 1,214,583,774.88/39,940.88
  6. Step 6: Final answer
    x = 30,409.54

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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.