Home / 53,824.49-80,742.24-20,572.55

Finding the Fourth Proportional to 53,824.49, 80,742.24 and 20,572.55

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Solution

The fourth proportional to 53,824.49, 80,742.24 and 20,572.55 is: 30,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.49 : 80,742.24 = 20,572.55 : x
  2. Step 2: Convert to fraction form
    53,824.49/80,742.24 = 20,572.55/x
  3. Step 3: Cross multiply
    53,824.49x = 80,742.24 × 20,572.55
  4. Step 4: Simplify right side
    53,824.49x = 1,661,073,365.80
  5. Step 5: Solve for x
    x = 1,661,073,365.80/53,824.49
  6. Step 6: Final answer
    x = 30,860.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.