Home / 37,656.45-51,966.44-20,660.39

Finding the Fourth Proportional to 37,656.45, 51,966.44 and 20,660.39

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Solution

The fourth proportional to 37,656.45, 51,966.44 and 20,660.39 is: 28,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.45 : 51,966.44 = 20,660.39 : x
  2. Step 2: Convert to fraction form
    37,656.45/51,966.44 = 20,660.39/x
  3. Step 3: Cross multiply
    37,656.45x = 51,966.44 × 20,660.39
  4. Step 4: Simplify right side
    37,656.45x = 1,073,646,917.31
  5. Step 5: Solve for x
    x = 1,073,646,917.31/37,656.45
  6. Step 6: Final answer
    x = 28,511.63

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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.