Home / 53,629.88-73,964.64-40,230.88

Finding the Fourth Proportional to 53,629.88, 73,964.64 and 40,230.88

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Solution

The fourth proportional to 53,629.88, 73,964.64 and 40,230.88 is: 55,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.88 : 73,964.64 = 40,230.88 : x
  2. Step 2: Convert to fraction form
    53,629.88/73,964.64 = 40,230.88/x
  3. Step 3: Cross multiply
    53,629.88x = 73,964.64 × 40,230.88
  4. Step 4: Simplify right side
    53,629.88x = 2,975,662,556.08
  5. Step 5: Solve for x
    x = 2,975,662,556.08/53,629.88
  6. Step 6: Final answer
    x = 55,485.16

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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.