Home / 38,933.88-58,408.10-18,157.38

Finding the Fourth Proportional to 38,933.88, 58,408.10 and 18,157.38

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Solution

The fourth proportional to 38,933.88, 58,408.10 and 18,157.38 is: 27,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,933.88 : 58,408.10 = 18,157.38 : x
  2. Step 2: Convert to fraction form
    38,933.88/58,408.10 = 18,157.38/x
  3. Step 3: Cross multiply
    38,933.88x = 58,408.10 × 18,157.38
  4. Step 4: Simplify right side
    38,933.88x = 1,060,538,066.78
  5. Step 5: Solve for x
    x = 1,060,538,066.78/38,933.88
  6. Step 6: Final answer
    x = 27,239.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.