Home / 31,847.16-47,770.59-8,154.66

Finding the Fourth Proportional to 31,847.16, 47,770.59 and 8,154.66

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Solution

The fourth proportional to 31,847.16, 47,770.59 and 8,154.66 is: 12,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.16 : 47,770.59 = 8,154.66 : x
  2. Step 2: Convert to fraction form
    31,847.16/47,770.59 = 8,154.66/x
  3. Step 3: Cross multiply
    31,847.16x = 47,770.59 × 8,154.66
  4. Step 4: Simplify right side
    31,847.16x = 389,552,919.45
  5. Step 5: Solve for x
    x = 389,552,919.45/31,847.16
  6. Step 6: Final answer
    x = 12,231.95

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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.