Home / 37,207.28-51,346-20,211.44

Finding the Fourth Proportional to 37,207.28, 51,346 and 20,211.44

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Solution

The fourth proportional to 37,207.28, 51,346 and 20,211.44 is: 27,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,207.28 : 51,346 = 20,211.44 : x
  2. Step 2: Convert to fraction form
    37,207.28/51,346 = 20,211.44/x
  3. Step 3: Cross multiply
    37,207.28x = 51,346 × 20,211.44
  4. Step 4: Simplify right side
    37,207.28x = 1,037,776,598.24
  5. Step 5: Solve for x
    x = 1,037,776,598.24/37,207.28
  6. Step 6: Final answer
    x = 27,891.76

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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.