Home / 31,148.20-46,722.96-11,158.98

Finding the Fourth Proportional to 31,148.20, 46,722.96 and 11,158.98

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Solution

The fourth proportional to 31,148.20, 46,722.96 and 11,158.98 is: 16,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.20 : 46,722.96 = 11,158.98 : x
  2. Step 2: Convert to fraction form
    31,148.20/46,722.96 = 11,158.98/x
  3. Step 3: Cross multiply
    31,148.20x = 46,722.96 × 11,158.98
  4. Step 4: Simplify right side
    31,148.20x = 521,380,663.79
  5. Step 5: Solve for x
    x = 521,380,663.79/31,148.20
  6. Step 6: Final answer
    x = 16,738.71

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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.