Home / 53,628.88-73,963.26-40,229.88

Finding the Fourth Proportional to 53,628.88, 73,963.26 and 40,229.88

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Solution

The fourth proportional to 53,628.88, 73,963.26 and 40,229.88 is: 55,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,628.88 : 73,963.26 = 40,229.88 : x
  2. Step 2: Convert to fraction form
    53,628.88/73,963.26 = 40,229.88/x
  3. Step 3: Cross multiply
    53,628.88x = 73,963.26 × 40,229.88
  4. Step 4: Simplify right side
    53,628.88x = 2,975,533,074.21
  5. Step 5: Solve for x
    x = 2,975,533,074.21/53,628.88
  6. Step 6: Final answer
    x = 55,483.78

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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.