Home / 49,722.58-68,618.79-28,505.86

Finding the Fourth Proportional to 49,722.58, 68,618.79 and 28,505.86

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Solution

The fourth proportional to 49,722.58, 68,618.79 and 28,505.86 is: 39,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,722.58 : 68,618.79 = 28,505.86 : x
  2. Step 2: Convert to fraction form
    49,722.58/68,618.79 = 28,505.86/x
  3. Step 3: Cross multiply
    49,722.58x = 68,618.79 × 28,505.86
  4. Step 4: Simplify right side
    49,722.58x = 1,956,037,621.11
  5. Step 5: Solve for x
    x = 1,956,037,621.11/49,722.58
  6. Step 6: Final answer
    x = 39,339.02

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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.