Home / 49,958.83-68,945.91-28,455.32

Finding the Fourth Proportional to 49,958.83, 68,945.91 and 28,455.32

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Solution

The fourth proportional to 49,958.83, 68,945.91 and 28,455.32 is: 39,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,958.83 : 68,945.91 = 28,455.32 : x
  2. Step 2: Convert to fraction form
    49,958.83/68,945.91 = 28,455.32/x
  3. Step 3: Cross multiply
    49,958.83x = 68,945.91 × 28,455.32
  4. Step 4: Simplify right side
    49,958.83x = 1,961,877,700.53
  5. Step 5: Solve for x
    x = 1,961,877,700.53/49,958.83
  6. Step 6: Final answer
    x = 39,269.89

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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.