Home / 61,148.66-91,736.22-21,167.60

Finding the Fourth Proportional to 61,148.66, 91,736.22 and 21,167.60

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Solution

The fourth proportional to 61,148.66, 91,736.22 and 21,167.60 is: 31,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,148.66 : 91,736.22 = 21,167.60 : x
  2. Step 2: Convert to fraction form
    61,148.66/91,736.22 = 21,167.60/x
  3. Step 3: Cross multiply
    61,148.66x = 91,736.22 × 21,167.60
  4. Step 4: Simplify right side
    61,148.66x = 1,941,835,610.47
  5. Step 5: Solve for x
    x = 1,941,835,610.47/61,148.66
  6. Step 6: Final answer
    x = 31,755.98

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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.