Home / 53,959.08-80,974.56-18,898.68

Finding the Fourth Proportional to 53,959.08, 80,974.56 and 18,898.68

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Solution

The fourth proportional to 53,959.08, 80,974.56 and 18,898.68 is: 28,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,959.08 : 80,974.56 = 18,898.68 : x
  2. Step 2: Convert to fraction form
    53,959.08/80,974.56 = 18,898.68/x
  3. Step 3: Cross multiply
    53,959.08x = 80,974.56 × 18,898.68
  4. Step 4: Simplify right side
    53,959.08x = 1,530,312,297.58
  5. Step 5: Solve for x
    x = 1,530,312,297.58/53,959.08
  6. Step 6: Final answer
    x = 28,360.61

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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.