Home / 34,226.64-47,218.71-20,795.73

Finding the Fourth Proportional to 34,226.64, 47,218.71 and 20,795.73

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Solution

The fourth proportional to 34,226.64, 47,218.71 and 20,795.73 is: 28,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,226.64 : 47,218.71 = 20,795.73 : x
  2. Step 2: Convert to fraction form
    34,226.64/47,218.71 = 20,795.73/x
  3. Step 3: Cross multiply
    34,226.64x = 47,218.71 × 20,795.73
  4. Step 4: Simplify right side
    34,226.64x = 981,947,544.11
  5. Step 5: Solve for x
    x = 981,947,544.11/34,226.64
  6. Step 6: Final answer
    x = 28,689.57

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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.