Home / 40,003.74-55,205.69-23,008.32

Finding the Fourth Proportional to 40,003.74, 55,205.69 and 23,008.32

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Solution

The fourth proportional to 40,003.74, 55,205.69 and 23,008.32 is: 31,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.74 : 55,205.69 = 23,008.32 : x
  2. Step 2: Convert to fraction form
    40,003.74/55,205.69 = 23,008.32/x
  3. Step 3: Cross multiply
    40,003.74x = 55,205.69 × 23,008.32
  4. Step 4: Simplify right side
    40,003.74x = 1,270,190,066.30
  5. Step 5: Solve for x
    x = 1,270,190,066.30/40,003.74
  6. Step 6: Final answer
    x = 31,751.78

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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.