Home / 37,612.24-51,905.52-20,618.11

Finding the Fourth Proportional to 37,612.24, 51,905.52 and 20,618.11

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Solution

The fourth proportional to 37,612.24, 51,905.52 and 20,618.11 is: 28,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.24 : 51,905.52 = 20,618.11 : x
  2. Step 2: Convert to fraction form
    37,612.24/51,905.52 = 20,618.11/x
  3. Step 3: Cross multiply
    37,612.24x = 51,905.52 × 20,618.11
  4. Step 4: Simplify right side
    37,612.24x = 1,070,193,720.97
  5. Step 5: Solve for x
    x = 1,070,193,720.97/37,612.24
  6. Step 6: Final answer
    x = 28,453.34

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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.