Home / 39,654.45-59,457.92-12,625.11

Finding the Fourth Proportional to 39,654.45, 59,457.92 and 12,625.11

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Solution

The fourth proportional to 39,654.45, 59,457.92 and 12,625.11 is: 18,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654.45 : 59,457.92 = 12,625.11 : x
  2. Step 2: Convert to fraction form
    39,654.45/59,457.92 = 12,625.11/x
  3. Step 3: Cross multiply
    39,654.45x = 59,457.92 × 12,625.11
  4. Step 4: Simplify right side
    39,654.45x = 750,662,717.25
  5. Step 5: Solve for x
    x = 750,662,717.25/39,654.45
  6. Step 6: Final answer
    x = 18,930.10

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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.