Home / 51,645.22-71,268.56-28,985.17

Finding the Fourth Proportional to 51,645.22, 71,268.56 and 28,985.17

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Solution

The fourth proportional to 51,645.22, 71,268.56 and 28,985.17 is: 39,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,645.22 : 71,268.56 = 28,985.17 : x
  2. Step 2: Convert to fraction form
    51,645.22/71,268.56 = 28,985.17/x
  3. Step 3: Cross multiply
    51,645.22x = 71,268.56 × 28,985.17
  4. Step 4: Simplify right side
    51,645.22x = 2,065,731,046.04
  5. Step 5: Solve for x
    x = 2,065,731,046.04/51,645.22
  6. Step 6: Final answer
    x = 39,998.49

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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.