Home / 43,634.30-65,398.51-19,909.32

Finding the Fourth Proportional to 43,634.30, 65,398.51 and 19,909.32

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Solution

The fourth proportional to 43,634.30, 65,398.51 and 19,909.32 is: 29,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.30 : 65,398.51 = 19,909.32 : x
  2. Step 2: Convert to fraction form
    43,634.30/65,398.51 = 19,909.32/x
  3. Step 3: Cross multiply
    43,634.30x = 65,398.51 × 19,909.32
  4. Step 4: Simplify right side
    43,634.30x = 1,302,039,882.68
  5. Step 5: Solve for x
    x = 1,302,039,882.68/43,634.30
  6. Step 6: Final answer
    x = 29,839.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.