Home / 37,150.63-51,268.76-20,383.63

Finding the Fourth Proportional to 37,150.63, 51,268.76 and 20,383.63

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Solution

The fourth proportional to 37,150.63, 51,268.76 and 20,383.63 is: 28,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,150.63 : 51,268.76 = 20,383.63 : x
  2. Step 2: Convert to fraction form
    37,150.63/51,268.76 = 20,383.63/x
  3. Step 3: Cross multiply
    37,150.63x = 51,268.76 × 20,383.63
  4. Step 4: Simplify right side
    37,150.63x = 1,045,043,434.40
  5. Step 5: Solve for x
    x = 1,045,043,434.40/37,150.63
  6. Step 6: Final answer
    x = 28,129.90

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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.