Home / 38,950.88-58,428.68-12,297.76

Finding the Fourth Proportional to 38,950.88, 58,428.68 and 12,297.76

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Solution

The fourth proportional to 38,950.88, 58,428.68 and 12,297.76 is: 18,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,950.88 : 58,428.68 = 12,297.76 : x
  2. Step 2: Convert to fraction form
    38,950.88/58,428.68 = 12,297.76/x
  3. Step 3: Cross multiply
    38,950.88x = 58,428.68 × 12,297.76
  4. Step 4: Simplify right side
    38,950.88x = 718,541,676.20
  5. Step 5: Solve for x
    x = 718,541,676.20/38,950.88
  6. Step 6: Final answer
    x = 18,447.38

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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.