Home / 33,489.81-46,218.77-18,385.03

Finding the Fourth Proportional to 33,489.81, 46,218.77 and 18,385.03

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Solution

The fourth proportional to 33,489.81, 46,218.77 and 18,385.03 is: 25,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,489.81 : 46,218.77 = 18,385.03 : x
  2. Step 2: Convert to fraction form
    33,489.81/46,218.77 = 18,385.03/x
  3. Step 3: Cross multiply
    33,489.81x = 46,218.77 × 18,385.03
  4. Step 4: Simplify right side
    33,489.81x = 849,733,473.01
  5. Step 5: Solve for x
    x = 849,733,473.01/33,489.81
  6. Step 6: Final answer
    x = 25,372.90

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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.