Home / 37,653.46-51,961.30-20,425.57

Finding the Fourth Proportional to 37,653.46, 51,961.30 and 20,425.57

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Solution

The fourth proportional to 37,653.46, 51,961.30 and 20,425.57 is: 28,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,653.46 : 51,961.30 = 20,425.57 : x
  2. Step 2: Convert to fraction form
    37,653.46/51,961.30 = 20,425.57/x
  3. Step 3: Cross multiply
    37,653.46x = 51,961.30 × 20,425.57
  4. Step 4: Simplify right side
    37,653.46x = 1,061,338,989.47
  5. Step 5: Solve for x
    x = 1,061,338,989.47/37,653.46
  6. Step 6: Final answer
    x = 28,187.03

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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.