Home / 53,614.68-80,409.78-20,338.44

Finding the Fourth Proportional to 53,614.68, 80,409.78 and 20,338.44

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Solution

The fourth proportional to 53,614.68, 80,409.78 and 20,338.44 is: 30,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,614.68 : 80,409.78 = 20,338.44 : x
  2. Step 2: Convert to fraction form
    53,614.68/80,409.78 = 20,338.44/x
  3. Step 3: Cross multiply
    53,614.68x = 80,409.78 × 20,338.44
  4. Step 4: Simplify right side
    53,614.68x = 1,635,409,485.94
  5. Step 5: Solve for x
    x = 1,635,409,485.94/53,614.68
  6. Step 6: Final answer
    x = 30,503.02

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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.