Home / 49,185.99-73,779.02-21,087.90

Finding the Fourth Proportional to 49,185.99, 73,779.02 and 21,087.90

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Solution

The fourth proportional to 49,185.99, 73,779.02 and 21,087.90 is: 31,631.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,185.99 : 73,779.02 = 21,087.90 : x
  2. Step 2: Convert to fraction form
    49,185.99/73,779.02 = 21,087.90/x
  3. Step 3: Cross multiply
    49,185.99x = 73,779.02 × 21,087.90
  4. Step 4: Simplify right side
    49,185.99x = 1,555,844,490.42
  5. Step 5: Solve for x
    x = 1,555,844,490.42/49,185.99
  6. Step 6: Final answer
    x = 31,631.86

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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.