Home / 35,134.32-48,489.88-21,712.08

Finding the Fourth Proportional to 35,134.32, 48,489.88 and 21,712.08

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Solution

The fourth proportional to 35,134.32, 48,489.88 and 21,712.08 is: 29,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,134.32 : 48,489.88 = 21,712.08 : x
  2. Step 2: Convert to fraction form
    35,134.32/48,489.88 = 21,712.08/x
  3. Step 3: Cross multiply
    35,134.32x = 48,489.88 × 21,712.08
  4. Step 4: Simplify right side
    35,134.32x = 1,052,816,153.75
  5. Step 5: Solve for x
    x = 1,052,816,153.75/35,134.32
  6. Step 6: Final answer
    x = 29,965.46

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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.