Home / 33,046.40-45,597.12-20,950.64

Finding the Fourth Proportional to 33,046.40, 45,597.12 and 20,950.64

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Solution

The fourth proportional to 33,046.40, 45,597.12 and 20,950.64 is: 28,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,046.40 : 45,597.12 = 20,950.64 : x
  2. Step 2: Convert to fraction form
    33,046.40/45,597.12 = 20,950.64/x
  3. Step 3: Cross multiply
    33,046.40x = 45,597.12 × 20,950.64
  4. Step 4: Simplify right side
    33,046.40x = 955,288,846.16
  5. Step 5: Solve for x
    x = 955,288,846.16/33,046.40
  6. Step 6: Final answer
    x = 28,907.50

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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.