Home / 37,656.38-51,966.31-20,660.32

Finding the Fourth Proportional to 37,656.38, 51,966.31 and 20,660.32

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Solution

The fourth proportional to 37,656.38, 51,966.31 and 20,660.32 is: 28,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.38 : 51,966.31 = 20,660.32 : x
  2. Step 2: Convert to fraction form
    37,656.38/51,966.31 = 20,660.32/x
  3. Step 3: Cross multiply
    37,656.38x = 51,966.31 × 20,660.32
  4. Step 4: Simplify right side
    37,656.38x = 1,073,640,353.55
  5. Step 5: Solve for x
    x = 1,073,640,353.55/37,656.38
  6. Step 6: Final answer
    x = 28,511.51

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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.