Home / 40,149.84-55,407.22-22,245.13

Finding the Fourth Proportional to 40,149.84, 55,407.22 and 22,245.13

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Solution

The fourth proportional to 40,149.84, 55,407.22 and 22,245.13 is: 30,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.84 : 55,407.22 = 22,245.13 : x
  2. Step 2: Convert to fraction form
    40,149.84/55,407.22 = 22,245.13/x
  3. Step 3: Cross multiply
    40,149.84x = 55,407.22 × 22,245.13
  4. Step 4: Simplify right side
    40,149.84x = 1,232,540,534.80
  5. Step 5: Solve for x
    x = 1,232,540,534.80/40,149.84
  6. Step 6: Final answer
    x = 30,698.52

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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.