Home / 43,205.67-64,821.87-18,256.86

Finding the Fourth Proportional to 43,205.67, 64,821.87 and 18,256.86

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Solution

The fourth proportional to 43,205.67, 64,821.87 and 18,256.86 is: 27,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205.67 : 64,821.87 = 18,256.86 : x
  2. Step 2: Convert to fraction form
    43,205.67/64,821.87 = 18,256.86/x
  3. Step 3: Cross multiply
    43,205.67x = 64,821.87 × 18,256.86
  4. Step 4: Simplify right side
    43,205.67x = 1,183,443,805.53
  5. Step 5: Solve for x
    x = 1,183,443,805.53/43,205.67
  6. Step 6: Final answer
    x = 27,390.94

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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.