Home / 39,682.10-59,530.35-19,910.90

Finding the Fourth Proportional to 39,682.10, 59,530.35 and 19,910.90

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Solution

The fourth proportional to 39,682.10, 59,530.35 and 19,910.90 is: 29,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.10 : 59,530.35 = 19,910.90 : x
  2. Step 2: Convert to fraction form
    39,682.10/59,530.35 = 19,910.90/x
  3. Step 3: Cross multiply
    39,682.10x = 59,530.35 × 19,910.90
  4. Step 4: Simplify right side
    39,682.10x = 1,185,302,845.82
  5. Step 5: Solve for x
    x = 1,185,302,845.82/39,682.10
  6. Step 6: Final answer
    x = 29,869.96

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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.