Home / 34,246.43-47,274.63-20,821.98

Finding the Fourth Proportional to 34,246.43, 47,274.63 and 20,821.98

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Solution

The fourth proportional to 34,246.43, 47,274.63 and 20,821.98 is: 28,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.43 : 47,274.63 = 20,821.98 : x
  2. Step 2: Convert to fraction form
    34,246.43/47,274.63 = 20,821.98/x
  3. Step 3: Cross multiply
    34,246.43x = 47,274.63 × 20,821.98
  4. Step 4: Simplify right side
    34,246.43x = 984,351,350.77
  5. Step 5: Solve for x
    x = 984,351,350.77/34,246.43
  6. Step 6: Final answer
    x = 28,743.18

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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.