Home / 43,183.71-64,777.89-13,603.86

Finding the Fourth Proportional to 43,183.71, 64,777.89 and 13,603.86

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Solution

The fourth proportional to 43,183.71, 64,777.89 and 13,603.86 is: 20,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.71 : 64,777.89 = 13,603.86 : x
  2. Step 2: Convert to fraction form
    43,183.71/64,777.89 = 13,603.86/x
  3. Step 3: Cross multiply
    43,183.71x = 64,777.89 × 13,603.86
  4. Step 4: Simplify right side
    43,183.71x = 881,229,346.66
  5. Step 5: Solve for x
    x = 881,229,346.66/43,183.71
  6. Step 6: Final answer
    x = 20,406.52

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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.