Home / 51,633.73-71,254.58-28,969.59

Finding the Fourth Proportional to 51,633.73, 71,254.58 and 28,969.59

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Solution

The fourth proportional to 51,633.73, 71,254.58 and 28,969.59 is: 39,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,633.73 : 71,254.58 = 28,969.59 : x
  2. Step 2: Convert to fraction form
    51,633.73/71,254.58 = 28,969.59/x
  3. Step 3: Cross multiply
    51,633.73x = 71,254.58 × 28,969.59
  4. Step 4: Simplify right side
    51,633.73x = 2,064,216,218.78
  5. Step 5: Solve for x
    x = 2,064,216,218.78/51,633.73
  6. Step 6: Final answer
    x = 39,978.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.