Home / 40,026.01-55,236.69-22,121.77

Finding the Fourth Proportional to 40,026.01, 55,236.69 and 22,121.77

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Solution

The fourth proportional to 40,026.01, 55,236.69 and 22,121.77 is: 30,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.01 : 55,236.69 = 22,121.77 : x
  2. Step 2: Convert to fraction form
    40,026.01/55,236.69 = 22,121.77/x
  3. Step 3: Cross multiply
    40,026.01x = 55,236.69 × 22,121.77
  4. Step 4: Simplify right side
    40,026.01x = 1,221,933,351.74
  5. Step 5: Solve for x
    x = 1,221,933,351.74/40,026.01
  6. Step 6: Final answer
    x = 30,528.48

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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.