Home / 53,933.56-80,848.10-20,628

Finding the Fourth Proportional to 53,933.56, 80,848.10 and 20,628

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Solution

The fourth proportional to 53,933.56, 80,848.10 and 20,628 is: 30,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.56 : 80,848.10 = 20,628 : x
  2. Step 2: Convert to fraction form
    53,933.56/80,848.10 = 20,628/x
  3. Step 3: Cross multiply
    53,933.56x = 80,848.10 × 20,628
  4. Step 4: Simplify right side
    53,933.56x = 1,667,734,606.80
  5. Step 5: Solve for x
    x = 1,667,734,606.80/53,933.56
  6. Step 6: Final answer
    x = 30,922.02

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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.