Home / 29,311.07-43,972.68-11,780.88

Finding the Fourth Proportional to 29,311.07, 43,972.68 and 11,780.88

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Solution

The fourth proportional to 29,311.07, 43,972.68 and 11,780.88 is: 17,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.07 : 43,972.68 = 11,780.88 : x
  2. Step 2: Convert to fraction form
    29,311.07/43,972.68 = 11,780.88/x
  3. Step 3: Cross multiply
    29,311.07x = 43,972.68 × 11,780.88
  4. Step 4: Simplify right side
    29,311.07x = 518,036,866.36
  5. Step 5: Solve for x
    x = 518,036,866.36/29,311.07
  6. Step 6: Final answer
    x = 17,673.76

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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.