Home / 36,155.13-49,893.57-20,239.56

Finding the Fourth Proportional to 36,155.13, 49,893.57 and 20,239.56

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Solution

The fourth proportional to 36,155.13, 49,893.57 and 20,239.56 is: 27,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.13 : 49,893.57 = 20,239.56 : x
  2. Step 2: Convert to fraction form
    36,155.13/49,893.57 = 20,239.56/x
  3. Step 3: Cross multiply
    36,155.13x = 49,893.57 × 20,239.56
  4. Step 4: Simplify right side
    36,155.13x = 1,009,823,903.63
  5. Step 5: Solve for x
    x = 1,009,823,903.63/36,155.13
  6. Step 6: Final answer
    x = 27,930.31

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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.