Home / 51,971.04-71,719.82-28,097.70

Finding the Fourth Proportional to 51,971.04, 71,719.82 and 28,097.70

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Solution

The fourth proportional to 51,971.04, 71,719.82 and 28,097.70 is: 38,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.04 : 71,719.82 = 28,097.70 : x
  2. Step 2: Convert to fraction form
    51,971.04/71,719.82 = 28,097.70/x
  3. Step 3: Cross multiply
    51,971.04x = 71,719.82 × 28,097.70
  4. Step 4: Simplify right side
    51,971.04x = 2,015,161,986.41
  5. Step 5: Solve for x
    x = 2,015,161,986.41/51,971.04
  6. Step 6: Final answer
    x = 38,774.71

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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.