Home / 37,640.72-51,944.73-20,646.59

Finding the Fourth Proportional to 37,640.72, 51,944.73 and 20,646.59

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Solution

The fourth proportional to 37,640.72, 51,944.73 and 20,646.59 is: 28,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.72 : 51,944.73 = 20,646.59 : x
  2. Step 2: Convert to fraction form
    37,640.72/51,944.73 = 20,646.59/x
  3. Step 3: Cross multiply
    37,640.72x = 51,944.73 × 20,646.59
  4. Step 4: Simplify right side
    37,640.72x = 1,072,481,542.97
  5. Step 5: Solve for x
    x = 1,072,481,542.97/37,640.72
  6. Step 6: Final answer
    x = 28,492.59

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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.