Home / 49,648.50-68,514.93-28,434.60

Finding the Fourth Proportional to 49,648.50, 68,514.93 and 28,434.60

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Solution

The fourth proportional to 49,648.50, 68,514.93 and 28,434.60 is: 39,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648.50 : 68,514.93 = 28,434.60 : x
  2. Step 2: Convert to fraction form
    49,648.50/68,514.93 = 28,434.60/x
  3. Step 3: Cross multiply
    49,648.50x = 68,514.93 × 28,434.60
  4. Step 4: Simplify right side
    49,648.50x = 1,948,194,628.58
  5. Step 5: Solve for x
    x = 1,948,194,628.58/49,648.50
  6. Step 6: Final answer
    x = 39,239.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.