Home / 43,601.25-65,402.49-12,436.50

Finding the Fourth Proportional to 43,601.25, 65,402.49 and 12,436.50

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Solution

The fourth proportional to 43,601.25, 65,402.49 and 12,436.50 is: 18,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,601.25 : 65,402.49 = 12,436.50 : x
  2. Step 2: Convert to fraction form
    43,601.25/65,402.49 = 12,436.50/x
  3. Step 3: Cross multiply
    43,601.25x = 65,402.49 × 12,436.50
  4. Step 4: Simplify right side
    43,601.25x = 813,378,066.89
  5. Step 5: Solve for x
    x = 813,378,066.89/43,601.25
  6. Step 6: Final answer
    x = 18,654.93

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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.