Home / 53,958.22-74,469.08-30,995.22

Finding the Fourth Proportional to 53,958.22, 74,469.08 and 30,995.22

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Solution

The fourth proportional to 53,958.22, 74,469.08 and 30,995.22 is: 42,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,958.22 : 74,469.08 = 30,995.22 : x
  2. Step 2: Convert to fraction form
    53,958.22/74,469.08 = 30,995.22/x
  3. Step 3: Cross multiply
    53,958.22x = 74,469.08 × 30,995.22
  4. Step 4: Simplify right side
    53,958.22x = 2,308,185,517.80
  5. Step 5: Solve for x
    x = 2,308,185,517.80/53,958.22
  6. Step 6: Final answer
    x = 42,777.27

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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.