Home / 29,321.20-43,970.88-11,785.12

Finding the Fourth Proportional to 29,321.20, 43,970.88 and 11,785.12

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Solution

The fourth proportional to 29,321.20, 43,970.88 and 11,785.12 is: 17,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.20 : 43,970.88 = 11,785.12 : x
  2. Step 2: Convert to fraction form
    29,321.20/43,970.88 = 11,785.12/x
  3. Step 3: Cross multiply
    29,321.20x = 43,970.88 × 11,785.12
  4. Step 4: Simplify right side
    29,321.20x = 518,202,097.31
  5. Step 5: Solve for x
    x = 518,202,097.31/29,321.20
  6. Step 6: Final answer
    x = 17,673.29

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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.