Home / 37,386.21-51,591.55-20,619.21

Finding the Fourth Proportional to 37,386.21, 51,591.55 and 20,619.21

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Solution

The fourth proportional to 37,386.21, 51,591.55 and 20,619.21 is: 28,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.21 : 51,591.55 = 20,619.21 : x
  2. Step 2: Convert to fraction form
    37,386.21/51,591.55 = 20,619.21/x
  3. Step 3: Cross multiply
    37,386.21x = 51,591.55 × 20,619.21
  4. Step 4: Simplify right side
    37,386.21x = 1,063,777,184.26
  5. Step 5: Solve for x
    x = 1,063,777,184.26/37,386.21
  6. Step 6: Final answer
    x = 28,453.73

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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.