Home / 53,692.44-80,538.66-20,404.68

Finding the Fourth Proportional to 53,692.44, 80,538.66 and 20,404.68

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Solution

The fourth proportional to 53,692.44, 80,538.66 and 20,404.68 is: 30,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.44 : 80,538.66 = 20,404.68 : x
  2. Step 2: Convert to fraction form
    53,692.44/80,538.66 = 20,404.68/x
  3. Step 3: Cross multiply
    53,692.44x = 80,538.66 × 20,404.68
  4. Step 4: Simplify right side
    53,692.44x = 1,643,365,584.93
  5. Step 5: Solve for x
    x = 1,643,365,584.93/53,692.44
  6. Step 6: Final answer
    x = 30,607.02

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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.