Home / 33,421.48-46,119.90-18,311.38

Finding the Fourth Proportional to 33,421.48, 46,119.90 and 18,311.38

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Solution

The fourth proportional to 33,421.48, 46,119.90 and 18,311.38 is: 25,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.48 : 46,119.90 = 18,311.38 : x
  2. Step 2: Convert to fraction form
    33,421.48/46,119.90 = 18,311.38/x
  3. Step 3: Cross multiply
    33,421.48x = 46,119.90 × 18,311.38
  4. Step 4: Simplify right side
    33,421.48x = 844,519,014.46
  5. Step 5: Solve for x
    x = 844,519,014.46/33,421.48
  6. Step 6: Final answer
    x = 25,268.75

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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.