Home / 51,968.29-71,716.90-31,544.45

Finding the Fourth Proportional to 51,968.29, 71,716.90 and 31,544.45

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Solution

The fourth proportional to 51,968.29, 71,716.90 and 31,544.45 is: 43,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,968.29 : 71,716.90 = 31,544.45 : x
  2. Step 2: Convert to fraction form
    51,968.29/71,716.90 = 31,544.45/x
  3. Step 3: Cross multiply
    51,968.29x = 71,716.90 × 31,544.45
  4. Step 4: Simplify right side
    51,968.29x = 2,262,270,008.48
  5. Step 5: Solve for x
    x = 2,262,270,008.48/51,968.29
  6. Step 6: Final answer
    x = 43,531.74

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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.