Home / 40,190.46-55,460.13-22,284.80

Finding the Fourth Proportional to 40,190.46, 55,460.13 and 22,284.80

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Solution

The fourth proportional to 40,190.46, 55,460.13 and 22,284.80 is: 30,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.46 : 55,460.13 = 22,284.80 : x
  2. Step 2: Convert to fraction form
    40,190.46/55,460.13 = 22,284.80/x
  3. Step 3: Cross multiply
    40,190.46x = 55,460.13 × 22,284.80
  4. Step 4: Simplify right side
    40,190.46x = 1,235,917,752.13
  5. Step 5: Solve for x
    x = 1,235,917,752.13/40,190.46
  6. Step 6: Final answer
    x = 30,751.52

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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.