Home / 37,156.14-51,279.08-21,237.57

Finding the Fourth Proportional to 37,156.14, 51,279.08 and 21,237.57

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Solution

The fourth proportional to 37,156.14, 51,279.08 and 21,237.57 is: 29,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,156.14 : 51,279.08 = 21,237.57 : x
  2. Step 2: Convert to fraction form
    37,156.14/51,279.08 = 21,237.57/x
  3. Step 3: Cross multiply
    37,156.14x = 51,279.08 × 21,237.57
  4. Step 4: Simplify right side
    37,156.14x = 1,089,042,944.85
  5. Step 5: Solve for x
    x = 1,089,042,944.85/37,156.14
  6. Step 6: Final answer
    x = 29,309.91

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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.