Home / 40,017.25-55,223.58-22,112.26

Finding the Fourth Proportional to 40,017.25, 55,223.58 and 22,112.26

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Solution

The fourth proportional to 40,017.25, 55,223.58 and 22,112.26 is: 30,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.25 : 55,223.58 = 22,112.26 : x
  2. Step 2: Convert to fraction form
    40,017.25/55,223.58 = 22,112.26/x
  3. Step 3: Cross multiply
    40,017.25x = 55,223.58 × 22,112.26
  4. Step 4: Simplify right side
    40,017.25x = 1,221,118,159.09
  5. Step 5: Solve for x
    x = 1,221,118,159.09/40,017.25
  6. Step 6: Final answer
    x = 30,514.79

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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.