Home / 83,509.04-125,261.78-20,329.49

Finding the Fourth Proportional to 83,509.04, 125,261.78 and 20,329.49

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Solution

The fourth proportional to 83,509.04, 125,261.78 and 20,329.49 is: 30,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,509.04 : 125,261.78 = 20,329.49 : x
  2. Step 2: Convert to fraction form
    83,509.04/125,261.78 = 20,329.49/x
  3. Step 3: Cross multiply
    83,509.04x = 125,261.78 × 20,329.49
  4. Step 4: Simplify right side
    83,509.04x = 2,546,507,375.94
  5. Step 5: Solve for x
    x = 2,546,507,375.94/83,509.04
  6. Step 6: Final answer
    x = 30,493.79

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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.