Home / 31,861.42-47,773.68-10,794.40

Finding the Fourth Proportional to 31,861.42, 47,773.68 and 10,794.40

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Solution

The fourth proportional to 31,861.42, 47,773.68 and 10,794.40 is: 16,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.42 : 47,773.68 = 10,794.40 : x
  2. Step 2: Convert to fraction form
    31,861.42/47,773.68 = 10,794.40/x
  3. Step 3: Cross multiply
    31,861.42x = 47,773.68 × 10,794.40
  4. Step 4: Simplify right side
    31,861.42x = 515,688,211.39
  5. Step 5: Solve for x
    x = 515,688,211.39/31,861.42
  6. Step 6: Final answer
    x = 16,185.35

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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.