Home / 29,231.54-40,329.96-17,889.21

Finding the Fourth Proportional to 29,231.54, 40,329.96 and 17,889.21

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Solution

The fourth proportional to 29,231.54, 40,329.96 and 17,889.21 is: 24,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.54 : 40,329.96 = 17,889.21 : x
  2. Step 2: Convert to fraction form
    29,231.54/40,329.96 = 17,889.21/x
  3. Step 3: Cross multiply
    29,231.54x = 40,329.96 × 17,889.21
  4. Step 4: Simplify right side
    29,231.54x = 721,471,123.73
  5. Step 5: Solve for x
    x = 721,471,123.73/29,231.54
  6. Step 6: Final answer
    x = 24,681.26

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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.