Home / 43,724.47-65,572.73-18,757.82

Finding the Fourth Proportional to 43,724.47, 65,572.73 and 18,757.82

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Solution

The fourth proportional to 43,724.47, 65,572.73 and 18,757.82 is: 28,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,724.47 : 65,572.73 = 18,757.82 : x
  2. Step 2: Convert to fraction form
    43,724.47/65,572.73 = 18,757.82/x
  3. Step 3: Cross multiply
    43,724.47x = 65,572.73 × 18,757.82
  4. Step 4: Simplify right side
    43,724.47x = 1,230,001,466.25
  5. Step 5: Solve for x
    x = 1,230,001,466.25/43,724.47
  6. Step 6: Final answer
    x = 28,130.73

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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.