Home / 35,321.12-48,743.25-19,405.88

Finding the Fourth Proportional to 35,321.12, 48,743.25 and 19,405.88

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Solution

The fourth proportional to 35,321.12, 48,743.25 and 19,405.88 is: 26,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.12 : 48,743.25 = 19,405.88 : x
  2. Step 2: Convert to fraction form
    35,321.12/48,743.25 = 19,405.88/x
  3. Step 3: Cross multiply
    35,321.12x = 48,743.25 × 19,405.88
  4. Step 4: Simplify right side
    35,321.12x = 945,905,660.31
  5. Step 5: Solve for x
    x = 945,905,660.31/35,321.12
  6. Step 6: Final answer
    x = 26,780.17

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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.