Home / 35,581.39-49,102.36-20,473.75

Finding the Fourth Proportional to 35,581.39, 49,102.36 and 20,473.75

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Solution

The fourth proportional to 35,581.39, 49,102.36 and 20,473.75 is: 28,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.39 : 49,102.36 = 20,473.75 : x
  2. Step 2: Convert to fraction form
    35,581.39/49,102.36 = 20,473.75/x
  3. Step 3: Cross multiply
    35,581.39x = 49,102.36 × 20,473.75
  4. Step 4: Simplify right side
    35,581.39x = 1,005,309,528.15
  5. Step 5: Solve for x
    x = 1,005,309,528.15/35,581.39
  6. Step 6: Final answer
    x = 28,253.80

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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.