Home / 37,192.76-51,326-20,425.76

Finding the Fourth Proportional to 37,192.76, 51,326 and 20,425.76

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Solution

The fourth proportional to 37,192.76, 51,326 and 20,425.76 is: 28,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,192.76 : 51,326 = 20,425.76 : x
  2. Step 2: Convert to fraction form
    37,192.76/51,326 = 20,425.76/x
  3. Step 3: Cross multiply
    37,192.76x = 51,326 × 20,425.76
  4. Step 4: Simplify right side
    37,192.76x = 1,048,372,557.76
  5. Step 5: Solve for x
    x = 1,048,372,557.76/37,192.76
  6. Step 6: Final answer
    x = 28,187.54

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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.