Home / 49,932.54-68,897.77-28,421.03

Finding the Fourth Proportional to 49,932.54, 68,897.77 and 28,421.03

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Solution

The fourth proportional to 49,932.54, 68,897.77 and 28,421.03 is: 39,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.54 : 68,897.77 = 28,421.03 : x
  2. Step 2: Convert to fraction form
    49,932.54/68,897.77 = 28,421.03/x
  3. Step 3: Cross multiply
    49,932.54x = 68,897.77 × 28,421.03
  4. Step 4: Simplify right side
    49,932.54x = 1,958,145,689.29
  5. Step 5: Solve for x
    x = 1,958,145,689.29/49,932.54
  6. Step 6: Final answer
    x = 39,215.82

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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.