Home / 49,977.68-74,979.50-14,917.32

Finding the Fourth Proportional to 49,977.68, 74,979.50 and 14,917.32

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Solution

The fourth proportional to 49,977.68, 74,979.50 and 14,917.32 is: 22,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.68 : 74,979.50 = 14,917.32 : x
  2. Step 2: Convert to fraction form
    49,977.68/74,979.50 = 14,917.32/x
  3. Step 3: Cross multiply
    49,977.68x = 74,979.50 × 14,917.32
  4. Step 4: Simplify right side
    49,977.68x = 1,118,493,120.35
  5. Step 5: Solve for x
    x = 1,118,493,120.35/49,977.68
  6. Step 6: Final answer
    x = 22,379.86

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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.