Home / 49,951.19-74,929.67-18,786.71

Finding the Fourth Proportional to 49,951.19, 74,929.67 and 18,786.71

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Solution

The fourth proportional to 49,951.19, 74,929.67 and 18,786.71 is: 28,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,951.19 : 74,929.67 = 18,786.71 : x
  2. Step 2: Convert to fraction form
    49,951.19/74,929.67 = 18,786.71/x
  3. Step 3: Cross multiply
    49,951.19x = 74,929.67 × 18,786.71
  4. Step 4: Simplify right side
    49,951.19x = 1,407,681,512.10
  5. Step 5: Solve for x
    x = 1,407,681,512.10/49,951.19
  6. Step 6: Final answer
    x = 28,181.14

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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.