Home / 29,188.81-43,755.20-18,629.02

Finding the Fourth Proportional to 29,188.81, 43,755.20 and 18,629.02

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Solution

The fourth proportional to 29,188.81, 43,755.20 and 18,629.02 is: 27,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.81 : 43,755.20 = 18,629.02 : x
  2. Step 2: Convert to fraction form
    29,188.81/43,755.20 = 18,629.02/x
  3. Step 3: Cross multiply
    29,188.81x = 43,755.20 × 18,629.02
  4. Step 4: Simplify right side
    29,188.81x = 815,116,402.76
  5. Step 5: Solve for x
    x = 815,116,402.76/29,188.81
  6. Step 6: Final answer
    x = 27,925.65

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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.