Home / 37,656.98-51,966.30-20,660.90

Finding the Fourth Proportional to 37,656.98, 51,966.30 and 20,660.90

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Solution

The fourth proportional to 37,656.98, 51,966.30 and 20,660.90 is: 28,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.98 : 51,966.30 = 20,660.90 : x
  2. Step 2: Convert to fraction form
    37,656.98/51,966.30 = 20,660.90/x
  3. Step 3: Cross multiply
    37,656.98x = 51,966.30 × 20,660.90
  4. Step 4: Simplify right side
    37,656.98x = 1,073,670,657.59
  5. Step 5: Solve for x
    x = 1,073,670,657.59/37,656.98
  6. Step 6: Final answer
    x = 28,511.86

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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.