Home / 33,885.12-46,757.03-18,777.05

Finding the Fourth Proportional to 33,885.12, 46,757.03 and 18,777.05

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Solution

The fourth proportional to 33,885.12, 46,757.03 and 18,777.05 is: 25,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.12 : 46,757.03 = 18,777.05 : x
  2. Step 2: Convert to fraction form
    33,885.12/46,757.03 = 18,777.05/x
  3. Step 3: Cross multiply
    33,885.12x = 46,757.03 × 18,777.05
  4. Step 4: Simplify right side
    33,885.12x = 877,959,090.16
  5. Step 5: Solve for x
    x = 877,959,090.16/33,885.12
  6. Step 6: Final answer
    x = 25,909.87

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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.