Home / 53,558.66-80,349.25-20,277.98

Finding the Fourth Proportional to 53,558.66, 80,349.25 and 20,277.98

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Solution

The fourth proportional to 53,558.66, 80,349.25 and 20,277.98 is: 30,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,558.66 : 80,349.25 = 20,277.98 : x
  2. Step 2: Convert to fraction form
    53,558.66/80,349.25 = 20,277.98/x
  3. Step 3: Cross multiply
    53,558.66x = 80,349.25 × 20,277.98
  4. Step 4: Simplify right side
    53,558.66x = 1,629,320,484.52
  5. Step 5: Solve for x
    x = 1,629,320,484.52/53,558.66
  6. Step 6: Final answer
    x = 30,421.23

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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.