Home / 37,511.48-51,763.73-20,512.35

Finding the Fourth Proportional to 37,511.48, 51,763.73 and 20,512.35

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Solution

The fourth proportional to 37,511.48, 51,763.73 and 20,512.35 is: 28,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,511.48 : 51,763.73 = 20,512.35 : x
  2. Step 2: Convert to fraction form
    37,511.48/51,763.73 = 20,512.35/x
  3. Step 3: Cross multiply
    37,511.48x = 51,763.73 × 20,512.35
  4. Step 4: Simplify right side
    37,511.48x = 1,061,795,644.50
  5. Step 5: Solve for x
    x = 1,061,795,644.50/37,511.48
  6. Step 6: Final answer
    x = 28,305.88

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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.