Home / 33,145.25-45,741.40-18,038.89

Finding the Fourth Proportional to 33,145.25, 45,741.40 and 18,038.89

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Solution

The fourth proportional to 33,145.25, 45,741.40 and 18,038.89 is: 24,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.25 : 45,741.40 = 18,038.89 : x
  2. Step 2: Convert to fraction form
    33,145.25/45,741.40 = 18,038.89/x
  3. Step 3: Cross multiply
    33,145.25x = 45,741.40 × 18,038.89
  4. Step 4: Simplify right side
    33,145.25x = 825,123,923.60
  5. Step 5: Solve for x
    x = 825,123,923.60/33,145.25
  6. Step 6: Final answer
    x = 24,894.18

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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.