Home / 49,983.57-68,979.42-28,762.92

Finding the Fourth Proportional to 49,983.57, 68,979.42 and 28,762.92

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Solution

The fourth proportional to 49,983.57, 68,979.42 and 28,762.92 is: 39,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.57 : 68,979.42 = 28,762.92 : x
  2. Step 2: Convert to fraction form
    49,983.57/68,979.42 = 28,762.92/x
  3. Step 3: Cross multiply
    49,983.57x = 68,979.42 × 28,762.92
  4. Step 4: Simplify right side
    49,983.57x = 1,984,049,539.11
  5. Step 5: Solve for x
    x = 1,984,049,539.11/49,983.57
  6. Step 6: Final answer
    x = 39,694.03

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1.5x scale

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.