Home / 57,629.66-86,444.89-18,190.76

Finding the Fourth Proportional to 57,629.66, 86,444.89 and 18,190.76

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Solution

The fourth proportional to 57,629.66, 86,444.89 and 18,190.76 is: 27,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,629.66 : 86,444.89 = 18,190.76 : x
  2. Step 2: Convert to fraction form
    57,629.66/86,444.89 = 18,190.76/x
  3. Step 3: Cross multiply
    57,629.66x = 86,444.89 × 18,190.76
  4. Step 4: Simplify right side
    57,629.66x = 1,572,497,769.52
  5. Step 5: Solve for x
    x = 1,572,497,769.52/57,629.66
  6. Step 6: Final answer
    x = 27,286.26

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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.