Home / 37,414.32-51,632.85-20,419.66

Finding the Fourth Proportional to 37,414.32, 51,632.85 and 20,419.66

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Solution

The fourth proportional to 37,414.32, 51,632.85 and 20,419.66 is: 28,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,414.32 : 51,632.85 = 20,419.66 : x
  2. Step 2: Convert to fraction form
    37,414.32/51,632.85 = 20,419.66/x
  3. Step 3: Cross multiply
    37,414.32x = 51,632.85 × 20,419.66
  4. Step 4: Simplify right side
    37,414.32x = 1,054,325,189.32
  5. Step 5: Solve for x
    x = 1,054,325,189.32/37,414.32
  6. Step 6: Final answer
    x = 28,179.72

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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.