Home / 29,012.44-43,538.12-18,631.48

Finding the Fourth Proportional to 29,012.44, 43,538.12 and 18,631.48

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Solution

The fourth proportional to 29,012.44, 43,538.12 and 18,631.48 is: 27,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.44 : 43,538.12 = 18,631.48 : x
  2. Step 2: Convert to fraction form
    29,012.44/43,538.12 = 18,631.48/x
  3. Step 3: Cross multiply
    29,012.44x = 43,538.12 × 18,631.48
  4. Step 4: Simplify right side
    29,012.44x = 811,179,612.02
  5. Step 5: Solve for x
    x = 811,179,612.02/29,012.44
  6. Step 6: Final answer
    x = 27,959.72

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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.