Home / 31,294.28-46,941.78-10,517.78

Finding the Fourth Proportional to 31,294.28, 46,941.78 and 10,517.78

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Solution

The fourth proportional to 31,294.28, 46,941.78 and 10,517.78 is: 15,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.28 : 46,941.78 = 10,517.78 : x
  2. Step 2: Convert to fraction form
    31,294.28/46,941.78 = 10,517.78/x
  3. Step 3: Cross multiply
    31,294.28x = 46,941.78 × 10,517.78
  4. Step 4: Simplify right side
    31,294.28x = 493,723,314.85
  5. Step 5: Solve for x
    x = 493,723,314.85/31,294.28
  6. Step 6: Final answer
    x = 15,776.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.