Home / 33,866.88-46,740.66-20,445.72

Finding the Fourth Proportional to 33,866.88, 46,740.66 and 20,445.72

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Solution

The fourth proportional to 33,866.88, 46,740.66 and 20,445.72 is: 28,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.88 : 46,740.66 = 20,445.72 : x
  2. Step 2: Convert to fraction form
    33,866.88/46,740.66 = 20,445.72/x
  3. Step 3: Cross multiply
    33,866.88x = 46,740.66 × 20,445.72
  4. Step 4: Simplify right side
    33,866.88x = 955,646,446.98
  5. Step 5: Solve for x
    x = 955,646,446.98/33,866.88
  6. Step 6: Final answer
    x = 28,217.73

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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.