Home / 49,713.90-68,605.08-28,207.86

Finding the Fourth Proportional to 49,713.90, 68,605.08 and 28,207.86

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Solution

The fourth proportional to 49,713.90, 68,605.08 and 28,207.86 is: 38,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,713.90 : 68,605.08 = 28,207.86 : x
  2. Step 2: Convert to fraction form
    49,713.90/68,605.08 = 28,207.86/x
  3. Step 3: Cross multiply
    49,713.90x = 68,605.08 × 28,207.86
  4. Step 4: Simplify right side
    49,713.90x = 1,935,202,802.09
  5. Step 5: Solve for x
    x = 1,935,202,802.09/49,713.90
  6. Step 6: Final answer
    x = 38,926.80

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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.