Home / 49,918.80-68,899.52-28,710.32

Finding the Fourth Proportional to 49,918.80, 68,899.52 and 28,710.32

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Solution

The fourth proportional to 49,918.80, 68,899.52 and 28,710.32 is: 39,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.80 : 68,899.52 = 28,710.32 : x
  2. Step 2: Convert to fraction form
    49,918.80/68,899.52 = 28,710.32/x
  3. Step 3: Cross multiply
    49,918.80x = 68,899.52 × 28,710.32
  4. Step 4: Simplify right side
    49,918.80x = 1,978,127,267.05
  5. Step 5: Solve for x
    x = 1,978,127,267.05/49,918.80
  6. Step 6: Final answer
    x = 39,626.90

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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.