Home / 37,419.54-51,638.49-20,651.46

Finding the Fourth Proportional to 37,419.54, 51,638.49 and 20,651.46

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Solution

The fourth proportional to 37,419.54, 51,638.49 and 20,651.46 is: 28,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.54 : 51,638.49 = 20,651.46 : x
  2. Step 2: Convert to fraction form
    37,419.54/51,638.49 = 20,651.46/x
  3. Step 3: Cross multiply
    37,419.54x = 51,638.49 × 20,651.46
  4. Step 4: Simplify right side
    37,419.54x = 1,066,410,210.70
  5. Step 5: Solve for x
    x = 1,066,410,210.70/37,419.54
  6. Step 6: Final answer
    x = 28,498.75

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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.