Home / 49,990.14-68,983.11-28,765.98

Finding the Fourth Proportional to 49,990.14, 68,983.11 and 28,765.98

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Solution

The fourth proportional to 49,990.14, 68,983.11 and 28,765.98 is: 39,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,990.14 : 68,983.11 = 28,765.98 : x
  2. Step 2: Convert to fraction form
    49,990.14/68,983.11 = 28,765.98/x
  3. Step 3: Cross multiply
    49,990.14x = 68,983.11 × 28,765.98
  4. Step 4: Simplify right side
    49,990.14x = 1,984,366,762.60
  5. Step 5: Solve for x
    x = 1,984,366,762.60/49,990.14
  6. Step 6: Final answer
    x = 39,695.16

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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.