Home / 42,826.46-64,241.48-13,244.85

Finding the Fourth Proportional to 42,826.46, 64,241.48 and 13,244.85

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Solution

The fourth proportional to 42,826.46, 64,241.48 and 13,244.85 is: 19,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,826.46 : 64,241.48 = 13,244.85 : x
  2. Step 2: Convert to fraction form
    42,826.46/64,241.48 = 13,244.85/x
  3. Step 3: Cross multiply
    42,826.46x = 64,241.48 × 13,244.85
  4. Step 4: Simplify right side
    42,826.46x = 850,868,799.49
  5. Step 5: Solve for x
    x = 850,868,799.49/42,826.46
  6. Step 6: Final answer
    x = 19,867.83

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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.