Home / 33,990.05-46,909.44-20,564.61

Finding the Fourth Proportional to 33,990.05, 46,909.44 and 20,564.61

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Solution

The fourth proportional to 33,990.05, 46,909.44 and 20,564.61 is: 28,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.05 : 46,909.44 = 20,564.61 : x
  2. Step 2: Convert to fraction form
    33,990.05/46,909.44 = 20,564.61/x
  3. Step 3: Cross multiply
    33,990.05x = 46,909.44 × 20,564.61
  4. Step 4: Simplify right side
    33,990.05x = 964,674,338.92
  5. Step 5: Solve for x
    x = 964,674,338.92/33,990.05
  6. Step 6: Final answer
    x = 28,381.08

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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.