Home / 40,124.42-55,371.96-22,220.58

Finding the Fourth Proportional to 40,124.42, 55,371.96 and 22,220.58

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Solution

The fourth proportional to 40,124.42, 55,371.96 and 22,220.58 is: 30,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.42 : 55,371.96 = 22,220.58 : x
  2. Step 2: Convert to fraction form
    40,124.42/55,371.96 = 22,220.58/x
  3. Step 3: Cross multiply
    40,124.42x = 55,371.96 × 22,220.58
  4. Step 4: Simplify right side
    40,124.42x = 1,230,397,066.94
  5. Step 5: Solve for x
    x = 1,230,397,066.94/40,124.42
  6. Step 6: Final answer
    x = 30,664.55

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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.