Home / 37,133.06-51,243.69-20,366.18

Finding the Fourth Proportional to 37,133.06, 51,243.69 and 20,366.18

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Solution

The fourth proportional to 37,133.06, 51,243.69 and 20,366.18 is: 28,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,133.06 : 51,243.69 = 20,366.18 : x
  2. Step 2: Convert to fraction form
    37,133.06/51,243.69 = 20,366.18/x
  3. Step 3: Cross multiply
    37,133.06x = 51,243.69 × 20,366.18
  4. Step 4: Simplify right side
    37,133.06x = 1,043,638,214.40
  5. Step 5: Solve for x
    x = 1,043,638,214.40/37,133.06
  6. Step 6: Final answer
    x = 28,105.37

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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.