Home / 37,076.12-51,165.26-20,309.12

Finding the Fourth Proportional to 37,076.12, 51,165.26 and 20,309.12

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Solution

The fourth proportional to 37,076.12, 51,165.26 and 20,309.12 is: 28,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,076.12 : 51,165.26 = 20,309.12 : x
  2. Step 2: Convert to fraction form
    37,076.12/51,165.26 = 20,309.12/x
  3. Step 3: Cross multiply
    37,076.12x = 51,165.26 × 20,309.12
  4. Step 4: Simplify right side
    37,076.12x = 1,039,121,405.17
  5. Step 5: Solve for x
    x = 1,039,121,405.17/37,076.12
  6. Step 6: Final answer
    x = 28,026.70

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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.