Home / 57,727.68-86,604.47-20,290.32

Finding the Fourth Proportional to 57,727.68, 86,604.47 and 20,290.32

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Solution

The fourth proportional to 57,727.68, 86,604.47 and 20,290.32 is: 30,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,727.68 : 86,604.47 = 20,290.32 : x
  2. Step 2: Convert to fraction form
    57,727.68/86,604.47 = 20,290.32/x
  3. Step 3: Cross multiply
    57,727.68x = 86,604.47 × 20,290.32
  4. Step 4: Simplify right side
    57,727.68x = 1,757,232,409.73
  5. Step 5: Solve for x
    x = 1,757,232,409.73/57,727.68
  6. Step 6: Final answer
    x = 30,440.03

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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.