Home / 33,145.80-45,741.88-18,039.30

Finding the Fourth Proportional to 33,145.80, 45,741.88 and 18,039.30

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Solution

The fourth proportional to 33,145.80, 45,741.88 and 18,039.30 is: 24,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.80 : 45,741.88 = 18,039.30 : x
  2. Step 2: Convert to fraction form
    33,145.80/45,741.88 = 18,039.30/x
  3. Step 3: Cross multiply
    33,145.80x = 45,741.88 × 18,039.30
  4. Step 4: Simplify right side
    33,145.80x = 825,151,495.88
  5. Step 5: Solve for x
    x = 825,151,495.88/33,145.80
  6. Step 6: Final answer
    x = 24,894.60

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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.