Home / 36,056.06-49,752.42-20,138.48

Finding the Fourth Proportional to 36,056.06, 49,752.42 and 20,138.48

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Solution

The fourth proportional to 36,056.06, 49,752.42 and 20,138.48 is: 27,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,056.06 : 49,752.42 = 20,138.48 : x
  2. Step 2: Convert to fraction form
    36,056.06/49,752.42 = 20,138.48/x
  3. Step 3: Cross multiply
    36,056.06x = 49,752.42 × 20,138.48
  4. Step 4: Simplify right side
    36,056.06x = 1,001,938,115.12
  5. Step 5: Solve for x
    x = 1,001,938,115.12/36,056.06
  6. Step 6: Final answer
    x = 27,788.34

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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.