Home / 38,399.66-52,991.60-21,403.52

Finding the Fourth Proportional to 38,399.66, 52,991.60 and 21,403.52

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Solution

The fourth proportional to 38,399.66, 52,991.60 and 21,403.52 is: 29,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,399.66 : 52,991.60 = 21,403.52 : x
  2. Step 2: Convert to fraction form
    38,399.66/52,991.60 = 21,403.52/x
  3. Step 3: Cross multiply
    38,399.66x = 52,991.60 × 21,403.52
  4. Step 4: Simplify right side
    38,399.66x = 1,134,206,770.43
  5. Step 5: Solve for x
    x = 1,134,206,770.43/38,399.66
  6. Step 6: Final answer
    x = 29,536.90

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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.