Home / 49,946.19-68,928.93-28,725

Finding the Fourth Proportional to 49,946.19, 68,928.93 and 28,725

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Solution

The fourth proportional to 49,946.19, 68,928.93 and 28,725 is: 39,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.19 : 68,928.93 = 28,725 : x
  2. Step 2: Convert to fraction form
    49,946.19/68,928.93 = 28,725/x
  3. Step 3: Cross multiply
    49,946.19x = 68,928.93 × 28,725
  4. Step 4: Simplify right side
    49,946.19x = 1,979,983,514.25
  5. Step 5: Solve for x
    x = 1,979,983,514.25/49,946.19
  6. Step 6: Final answer
    x = 39,642.33

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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.