Home / 29,109.61-43,627.88-12,450.05

Finding the Fourth Proportional to 29,109.61, 43,627.88 and 12,450.05

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Solution

The fourth proportional to 29,109.61, 43,627.88 and 12,450.05 is: 18,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.61 : 43,627.88 = 12,450.05 : x
  2. Step 2: Convert to fraction form
    29,109.61/43,627.88 = 12,450.05/x
  3. Step 3: Cross multiply
    29,109.61x = 43,627.88 × 12,450.05
  4. Step 4: Simplify right side
    29,109.61x = 543,169,287.39
  5. Step 5: Solve for x
    x = 543,169,287.39/29,109.61
  6. Step 6: Final answer
    x = 18,659.45

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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.