Home / 43,190.44-64,746.78-15,469

Finding the Fourth Proportional to 43,190.44, 64,746.78 and 15,469

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Solution

The fourth proportional to 43,190.44, 64,746.78 and 15,469 is: 23,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.44 : 64,746.78 = 15,469 : x
  2. Step 2: Convert to fraction form
    43,190.44/64,746.78 = 15,469/x
  3. Step 3: Cross multiply
    43,190.44x = 64,746.78 × 15,469
  4. Step 4: Simplify right side
    43,190.44x = 1,001,567,939.82
  5. Step 5: Solve for x
    x = 1,001,567,939.82/43,190.44
  6. Step 6: Final answer
    x = 23,189.57

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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.