Home / 45,259.56-67,920.53-20,327.56

Finding the Fourth Proportional to 45,259.56, 67,920.53 and 20,327.56

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Solution

The fourth proportional to 45,259.56, 67,920.53 and 20,327.56 is: 30,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.56 : 67,920.53 = 20,327.56 : x
  2. Step 2: Convert to fraction form
    45,259.56/67,920.53 = 20,327.56/x
  3. Step 3: Cross multiply
    45,259.56x = 67,920.53 × 20,327.56
  4. Step 4: Simplify right side
    45,259.56x = 1,380,658,377.37
  5. Step 5: Solve for x
    x = 1,380,658,377.37/45,259.56
  6. Step 6: Final answer
    x = 30,505.34

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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.