Home / 37,817.16-56,732.49-12,855.90

Finding the Fourth Proportional to 37,817.16, 56,732.49 and 12,855.90

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Solution

The fourth proportional to 37,817.16, 56,732.49 and 12,855.90 is: 19,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.16 : 56,732.49 = 12,855.90 : x
  2. Step 2: Convert to fraction form
    37,817.16/56,732.49 = 12,855.90/x
  3. Step 3: Cross multiply
    37,817.16x = 56,732.49 × 12,855.90
  4. Step 4: Simplify right side
    37,817.16x = 729,346,934.53
  5. Step 5: Solve for x
    x = 729,346,934.53/37,817.16
  6. Step 6: Final answer
    x = 19,286.14

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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.