Home / 43,557.13-65,335.68-12,392.38

Finding the Fourth Proportional to 43,557.13, 65,335.68 and 12,392.38

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Solution

The fourth proportional to 43,557.13, 65,335.68 and 12,392.38 is: 18,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,557.13 : 65,335.68 = 12,392.38 : x
  2. Step 2: Convert to fraction form
    43,557.13/65,335.68 = 12,392.38/x
  3. Step 3: Cross multiply
    43,557.13x = 65,335.68 × 12,392.38
  4. Step 4: Simplify right side
    43,557.13x = 809,664,288.27
  5. Step 5: Solve for x
    x = 809,664,288.27/43,557.13
  6. Step 6: Final answer
    x = 18,588.56

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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.