Home / 42,651.66-63,991.62-13,069.77

Finding the Fourth Proportional to 42,651.66, 63,991.62 and 13,069.77

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Solution

The fourth proportional to 42,651.66, 63,991.62 and 13,069.77 is: 19,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.66 : 63,991.62 = 13,069.77 : x
  2. Step 2: Convert to fraction form
    42,651.66/63,991.62 = 13,069.77/x
  3. Step 3: Cross multiply
    42,651.66x = 63,991.62 × 13,069.77
  4. Step 4: Simplify right side
    42,651.66x = 836,355,755.33
  5. Step 5: Solve for x
    x = 836,355,755.33/42,651.66
  6. Step 6: Final answer
    x = 19,608.98

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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.