Home / 29,870.96-41,216.78-17,940.86

Finding the Fourth Proportional to 29,870.96, 41,216.78 and 17,940.86

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Solution

The fourth proportional to 29,870.96, 41,216.78 and 17,940.86 is: 24,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,870.96 : 41,216.78 = 17,940.86 : x
  2. Step 2: Convert to fraction form
    29,870.96/41,216.78 = 17,940.86/x
  3. Step 3: Cross multiply
    29,870.96x = 41,216.78 × 17,940.86
  4. Step 4: Simplify right side
    29,870.96x = 739,464,479.63
  5. Step 5: Solve for x
    x = 739,464,479.63/29,870.96
  6. Step 6: Final answer
    x = 24,755.30

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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.