Home / 34,394.21-47,462.99-20,960.56

Finding the Fourth Proportional to 34,394.21, 47,462.99 and 20,960.56

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Solution

The fourth proportional to 34,394.21, 47,462.99 and 20,960.56 is: 28,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.21 : 47,462.99 = 20,960.56 : x
  2. Step 2: Convert to fraction form
    34,394.21/47,462.99 = 20,960.56/x
  3. Step 3: Cross multiply
    34,394.21x = 47,462.99 × 20,960.56
  4. Step 4: Simplify right side
    34,394.21x = 994,850,849.67
  5. Step 5: Solve for x
    x = 994,850,849.67/34,394.21
  6. Step 6: Final answer
    x = 28,924.95

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1.5x scale

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.