Home / 49,146.31-67,821.74-26,790.31

Finding the Fourth Proportional to 49,146.31, 67,821.74 and 26,790.31

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Solution

The fourth proportional to 49,146.31, 67,821.74 and 26,790.31 is: 36,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,146.31 : 67,821.74 = 26,790.31 : x
  2. Step 2: Convert to fraction form
    49,146.31/67,821.74 = 26,790.31/x
  3. Step 3: Cross multiply
    49,146.31x = 67,821.74 × 26,790.31
  4. Step 4: Simplify right side
    49,146.31x = 1,816,965,100.23
  5. Step 5: Solve for x
    x = 1,816,965,100.23/49,146.31
  6. Step 6: Final answer
    x = 36,970.53

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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.