Home / 37,284.70-55,922.38-12,318.71

Finding the Fourth Proportional to 37,284.70, 55,922.38 and 12,318.71

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Solution

The fourth proportional to 37,284.70, 55,922.38 and 12,318.71 is: 18,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,284.70 : 55,922.38 = 12,318.71 : x
  2. Step 2: Convert to fraction form
    37,284.70/55,922.38 = 12,318.71/x
  3. Step 3: Cross multiply
    37,284.70x = 55,922.38 × 12,318.71
  4. Step 4: Simplify right side
    37,284.70x = 688,891,302.12
  5. Step 5: Solve for x
    x = 688,891,302.12/37,284.70
  6. Step 6: Final answer
    x = 18,476.52

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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.