Home / 34,854.40-48,099.12-18,939.04

Finding the Fourth Proportional to 34,854.40, 48,099.12 and 18,939.04

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Solution

The fourth proportional to 34,854.40, 48,099.12 and 18,939.04 is: 26,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,854.40 : 48,099.12 = 18,939.04 : x
  2. Step 2: Convert to fraction form
    34,854.40/48,099.12 = 18,939.04/x
  3. Step 3: Cross multiply
    34,854.40x = 48,099.12 × 18,939.04
  4. Step 4: Simplify right side
    34,854.40x = 910,951,157.64
  5. Step 5: Solve for x
    x = 910,951,157.64/34,854.40
  6. Step 6: Final answer
    x = 26,135.90

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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.