Home / 37,208.40-51,346.52-20,211.90

Finding the Fourth Proportional to 37,208.40, 51,346.52 and 20,211.90

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Solution

The fourth proportional to 37,208.40, 51,346.52 and 20,211.90 is: 27,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,208.40 : 51,346.52 = 20,211.90 : x
  2. Step 2: Convert to fraction form
    37,208.40/51,346.52 = 20,211.90/x
  3. Step 3: Cross multiply
    37,208.40x = 51,346.52 × 20,211.90
  4. Step 4: Simplify right side
    37,208.40x = 1,037,810,727.59
  5. Step 5: Solve for x
    x = 1,037,810,727.59/37,208.40
  6. Step 6: Final answer
    x = 27,891.84

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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.