Home / 37,619.34-51,914.69-20,391.76

Finding the Fourth Proportional to 37,619.34, 51,914.69 and 20,391.76

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Solution

The fourth proportional to 37,619.34, 51,914.69 and 20,391.76 is: 28,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.34 : 51,914.69 = 20,391.76 : x
  2. Step 2: Convert to fraction form
    37,619.34/51,914.69 = 20,391.76/x
  3. Step 3: Cross multiply
    37,619.34x = 51,914.69 × 20,391.76
  4. Step 4: Simplify right side
    37,619.34x = 1,058,631,898.95
  5. Step 5: Solve for x
    x = 1,058,631,898.95/37,619.34
  6. Step 6: Final answer
    x = 28,140.63

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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.