Home / 37,415.66-51,633.25-20,419.76

Finding the Fourth Proportional to 37,415.66, 51,633.25 and 20,419.76

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Solution

The fourth proportional to 37,415.66, 51,633.25 and 20,419.76 is: 28,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.66 : 51,633.25 = 20,419.76 : x
  2. Step 2: Convert to fraction form
    37,415.66/51,633.25 = 20,419.76/x
  3. Step 3: Cross multiply
    37,415.66x = 51,633.25 × 20,419.76
  4. Step 4: Simplify right side
    37,415.66x = 1,054,338,651.05
  5. Step 5: Solve for x
    x = 1,054,338,651.05/37,415.66
  6. Step 6: Final answer
    x = 28,179.08

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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.