Home / 34,145.46-47,116.92-20,719.98

Finding the Fourth Proportional to 34,145.46, 47,116.92 and 20,719.98

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Solution

The fourth proportional to 34,145.46, 47,116.92 and 20,719.98 is: 28,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.46 : 47,116.92 = 20,719.98 : x
  2. Step 2: Convert to fraction form
    34,145.46/47,116.92 = 20,719.98/x
  3. Step 3: Cross multiply
    34,145.46x = 47,116.92 × 20,719.98
  4. Step 4: Simplify right side
    34,145.46x = 976,261,640.06
  5. Step 5: Solve for x
    x = 976,261,640.06/34,145.46
  6. Step 6: Final answer
    x = 28,591.26

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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.