Home / 37,131.63-51,241.64-20,364.63

Finding the Fourth Proportional to 37,131.63, 51,241.64 and 20,364.63

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Solution

The fourth proportional to 37,131.63, 51,241.64 and 20,364.63 is: 28,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.63 : 51,241.64 = 20,364.63 : x
  2. Step 2: Convert to fraction form
    37,131.63/51,241.64 = 20,364.63/x
  3. Step 3: Cross multiply
    37,131.63x = 51,241.64 × 20,364.63
  4. Step 4: Simplify right side
    37,131.63x = 1,043,517,039.19
  5. Step 5: Solve for x
    x = 1,043,517,039.19/37,131.63
  6. Step 6: Final answer
    x = 28,103.18

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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.