Home / 31,599.93-47,396.73-8,226.39

Finding the Fourth Proportional to 31,599.93, 47,396.73 and 8,226.39

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Solution

The fourth proportional to 31,599.93, 47,396.73 and 8,226.39 is: 12,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.93 : 47,396.73 = 8,226.39 : x
  2. Step 2: Convert to fraction form
    31,599.93/47,396.73 = 8,226.39/x
  3. Step 3: Cross multiply
    31,599.93x = 47,396.73 × 8,226.39
  4. Step 4: Simplify right side
    31,599.93x = 389,903,985.70
  5. Step 5: Solve for x
    x = 389,903,985.70/31,599.93
  6. Step 6: Final answer
    x = 12,338.76

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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.