Home / 49,263.50-67,983.70-28,042.78

Finding the Fourth Proportional to 49,263.50, 67,983.70 and 28,042.78

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Solution

The fourth proportional to 49,263.50, 67,983.70 and 28,042.78 is: 38,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,263.50 : 67,983.70 = 28,042.78 : x
  2. Step 2: Convert to fraction form
    49,263.50/67,983.70 = 28,042.78/x
  3. Step 3: Cross multiply
    49,263.50x = 67,983.70 × 28,042.78
  4. Step 4: Simplify right side
    49,263.50x = 1,906,451,942.69
  5. Step 5: Solve for x
    x = 1,906,451,942.69/49,263.50
  6. Step 6: Final answer
    x = 38,699.08

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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.