Home / 53,959.42-80,975.99-18,898.57

Finding the Fourth Proportional to 53,959.42, 80,975.99 and 18,898.57

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Solution

The fourth proportional to 53,959.42, 80,975.99 and 18,898.57 is: 28,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,959.42 : 80,975.99 = 18,898.57 : x
  2. Step 2: Convert to fraction form
    53,959.42/80,975.99 = 18,898.57/x
  3. Step 3: Cross multiply
    53,959.42x = 80,975.99 × 18,898.57
  4. Step 4: Simplify right side
    53,959.42x = 1,530,330,415.33
  5. Step 5: Solve for x
    x = 1,530,330,415.33/53,959.42
  6. Step 6: Final answer
    x = 28,360.76

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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.