Home / 33,438.42-46,144.08-18,330.30

Finding the Fourth Proportional to 33,438.42, 46,144.08 and 18,330.30

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Solution

The fourth proportional to 33,438.42, 46,144.08 and 18,330.30 is: 25,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.42 : 46,144.08 = 18,330.30 : x
  2. Step 2: Convert to fraction form
    33,438.42/46,144.08 = 18,330.30/x
  3. Step 3: Cross multiply
    33,438.42x = 46,144.08 × 18,330.30
  4. Step 4: Simplify right side
    33,438.42x = 845,834,829.62
  5. Step 5: Solve for x
    x = 845,834,829.62/33,438.42
  6. Step 6: Final answer
    x = 25,295.30

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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.