Home / 36,153.12-49,893.52-20,238.56

Finding the Fourth Proportional to 36,153.12, 49,893.52 and 20,238.56

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Solution

The fourth proportional to 36,153.12, 49,893.52 and 20,238.56 is: 27,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,153.12 : 49,893.52 = 20,238.56 : x
  2. Step 2: Convert to fraction form
    36,153.12/49,893.52 = 20,238.56/x
  3. Step 3: Cross multiply
    36,153.12x = 49,893.52 × 20,238.56
  4. Step 4: Simplify right side
    36,153.12x = 1,009,772,998.13
  5. Step 5: Solve for x
    x = 1,009,772,998.13/36,153.12
  6. Step 6: Final answer
    x = 27,930.45

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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.