Home / 29,905.80-44,858.70-18,861.45

Finding the Fourth Proportional to 29,905.80, 44,858.70 and 18,861.45

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Solution

The fourth proportional to 29,905.80, 44,858.70 and 18,861.45 is: 28,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,905.80 : 44,858.70 = 18,861.45 : x
  2. Step 2: Convert to fraction form
    29,905.80/44,858.70 = 18,861.45/x
  3. Step 3: Cross multiply
    29,905.80x = 44,858.70 × 18,861.45
  4. Step 4: Simplify right side
    29,905.80x = 846,100,127.12
  5. Step 5: Solve for x
    x = 846,100,127.12/29,905.80
  6. Step 6: Final answer
    x = 28,292.18

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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.