Home / 49,946.44-68,929.28-28,725.25

Finding the Fourth Proportional to 49,946.44, 68,929.28 and 28,725.25

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Solution

The fourth proportional to 49,946.44, 68,929.28 and 28,725.25 is: 39,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.44 : 68,929.28 = 28,725.25 : x
  2. Step 2: Convert to fraction form
    49,946.44/68,929.28 = 28,725.25/x
  3. Step 3: Cross multiply
    49,946.44x = 68,929.28 × 28,725.25
  4. Step 4: Simplify right side
    49,946.44x = 1,980,010,800.32
  5. Step 5: Solve for x
    x = 1,980,010,800.32/49,946.44
  6. Step 6: Final answer
    x = 39,642.68

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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.