Home / 51,933.06-71,672.68-30,719.16

Finding the Fourth Proportional to 51,933.06, 71,672.68 and 30,719.16

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Solution

The fourth proportional to 51,933.06, 71,672.68 and 30,719.16 is: 42,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,933.06 : 71,672.68 = 30,719.16 : x
  2. Step 2: Convert to fraction form
    51,933.06/71,672.68 = 30,719.16/x
  3. Step 3: Cross multiply
    51,933.06x = 71,672.68 × 30,719.16
  4. Step 4: Simplify right side
    51,933.06x = 2,201,724,562.95
  5. Step 5: Solve for x
    x = 2,201,724,562.95/51,933.06
  6. Step 6: Final answer
    x = 42,395.43

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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.