Home / 42,765.13-64,150.33-16,469.89

Finding the Fourth Proportional to 42,765.13, 64,150.33 and 16,469.89

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Solution

The fourth proportional to 42,765.13, 64,150.33 and 16,469.89 is: 24,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.13 : 64,150.33 = 16,469.89 : x
  2. Step 2: Convert to fraction form
    42,765.13/64,150.33 = 16,469.89/x
  3. Step 3: Cross multiply
    42,765.13x = 64,150.33 × 16,469.89
  4. Step 4: Simplify right side
    42,765.13x = 1,056,548,878.56
  5. Step 5: Solve for x
    x = 1,056,548,878.56/42,765.13
  6. Step 6: Final answer
    x = 24,705.85

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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.