Home / 36,078.90-49,804.22-21,936.26

Finding the Fourth Proportional to 36,078.90, 49,804.22 and 21,936.26

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Solution

The fourth proportional to 36,078.90, 49,804.22 and 21,936.26 is: 30,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.90 : 49,804.22 = 21,936.26 : x
  2. Step 2: Convert to fraction form
    36,078.90/49,804.22 = 21,936.26/x
  3. Step 3: Cross multiply
    36,078.90x = 49,804.22 × 21,936.26
  4. Step 4: Simplify right side
    36,078.90x = 1,092,518,319.02
  5. Step 5: Solve for x
    x = 1,092,518,319.02/36,078.90
  6. Step 6: Final answer
    x = 30,281.36

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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.