Home / 40,042.35-55,261.31-22,137.01

Finding the Fourth Proportional to 40,042.35, 55,261.31 and 22,137.01

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Solution

The fourth proportional to 40,042.35, 55,261.31 and 22,137.01 is: 30,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.35 : 55,261.31 = 22,137.01 : x
  2. Step 2: Convert to fraction form
    40,042.35/55,261.31 = 22,137.01/x
  3. Step 3: Cross multiply
    40,042.35x = 55,261.31 × 22,137.01
  4. Step 4: Simplify right side
    40,042.35x = 1,223,319,923.24
  5. Step 5: Solve for x
    x = 1,223,319,923.24/40,042.35
  6. Step 6: Final answer
    x = 30,550.65

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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.