Home / 49,842.96-68,780.16-28,607.28

Finding the Fourth Proportional to 49,842.96, 68,780.16 and 28,607.28

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Solution

The fourth proportional to 49,842.96, 68,780.16 and 28,607.28 is: 39,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.96 : 68,780.16 = 28,607.28 : x
  2. Step 2: Convert to fraction form
    49,842.96/68,780.16 = 28,607.28/x
  3. Step 3: Cross multiply
    49,842.96x = 68,780.16 × 28,607.28
  4. Step 4: Simplify right side
    49,842.96x = 1,967,613,295.56
  5. Step 5: Solve for x
    x = 1,967,613,295.56/49,842.96
  6. Step 6: Final answer
    x = 39,476.25

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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.