Home / 37,076.28-55,618.74-12,118.20

Finding the Fourth Proportional to 37,076.28, 55,618.74 and 12,118.20

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Solution

The fourth proportional to 37,076.28, 55,618.74 and 12,118.20 is: 18,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,076.28 : 55,618.74 = 12,118.20 : x
  2. Step 2: Convert to fraction form
    37,076.28/55,618.74 = 12,118.20/x
  3. Step 3: Cross multiply
    37,076.28x = 55,618.74 × 12,118.20
  4. Step 4: Simplify right side
    37,076.28x = 673,999,015.07
  5. Step 5: Solve for x
    x = 673,999,015.07/37,076.28
  6. Step 6: Final answer
    x = 18,178.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.