Home / 37,185.05-51,315.08-20,188.96

Finding the Fourth Proportional to 37,185.05, 51,315.08 and 20,188.96

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Solution

The fourth proportional to 37,185.05, 51,315.08 and 20,188.96 is: 27,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,185.05 : 51,315.08 = 20,188.96 : x
  2. Step 2: Convert to fraction form
    37,185.05/51,315.08 = 20,188.96/x
  3. Step 3: Cross multiply
    37,185.05x = 51,315.08 × 20,188.96
  4. Step 4: Simplify right side
    37,185.05x = 1,035,998,097.52
  5. Step 5: Solve for x
    x = 1,035,998,097.52/37,185.05
  6. Step 6: Final answer
    x = 27,860.61

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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.