Home / 37,956.28-52,379.40-20,961.58

Finding the Fourth Proportional to 37,956.28, 52,379.40 and 20,961.58

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Solution

The fourth proportional to 37,956.28, 52,379.40 and 20,961.58 is: 28,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,956.28 : 52,379.40 = 20,961.58 : x
  2. Step 2: Convert to fraction form
    37,956.28/52,379.40 = 20,961.58/x
  3. Step 3: Cross multiply
    37,956.28x = 52,379.40 × 20,961.58
  4. Step 4: Simplify right side
    37,956.28x = 1,097,954,983.45
  5. Step 5: Solve for x
    x = 1,097,954,983.45/37,956.28
  6. Step 6: Final answer
    x = 28,926.83

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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.