Home / 42,651.66-63,999.09-28,771.50

Finding the Fourth Proportional to 42,651.66, 63,999.09 and 28,771.50

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Solution

The fourth proportional to 42,651.66, 63,999.09 and 28,771.50 is: 43,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.66 : 63,999.09 = 28,771.50 : x
  2. Step 2: Convert to fraction form
    42,651.66/63,999.09 = 28,771.50/x
  3. Step 3: Cross multiply
    42,651.66x = 63,999.09 × 28,771.50
  4. Step 4: Simplify right side
    42,651.66x = 1,841,349,817.94
  5. Step 5: Solve for x
    x = 1,841,349,817.94/42,651.66
  6. Step 6: Final answer
    x = 43,171.82

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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.