Home / 37,129.06-51,238.17-20,362.18

Finding the Fourth Proportional to 37,129.06, 51,238.17 and 20,362.18

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Solution

The fourth proportional to 37,129.06, 51,238.17 and 20,362.18 is: 28,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.06 : 51,238.17 = 20,362.18 : x
  2. Step 2: Convert to fraction form
    37,129.06/51,238.17 = 20,362.18/x
  3. Step 3: Cross multiply
    37,129.06x = 51,238.17 × 20,362.18
  4. Step 4: Simplify right side
    37,129.06x = 1,043,320,840.41
  5. Step 5: Solve for x
    x = 1,043,320,840.41/37,129.06
  6. Step 6: Final answer
    x = 28,099.85

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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.