Home / 53,934.56-80,849.60-20,629

Finding the Fourth Proportional to 53,934.56, 80,849.60 and 20,629

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Solution

The fourth proportional to 53,934.56, 80,849.60 and 20,629 is: 30,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.56 : 80,849.60 = 20,629 : x
  2. Step 2: Convert to fraction form
    53,934.56/80,849.60 = 20,629/x
  3. Step 3: Cross multiply
    53,934.56x = 80,849.60 × 20,629
  4. Step 4: Simplify right side
    53,934.56x = 1,667,846,398.40
  5. Step 5: Solve for x
    x = 1,667,846,398.40/53,934.56
  6. Step 6: Final answer
    x = 30,923.52

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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.