Home / 31,971.24-47,950.20-8,592.12

Finding the Fourth Proportional to 31,971.24, 47,950.20 and 8,592.12

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Solution

The fourth proportional to 31,971.24, 47,950.20 and 8,592.12 is: 12,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,971.24 : 47,950.20 = 8,592.12 : x
  2. Step 2: Convert to fraction form
    31,971.24/47,950.20 = 8,592.12/x
  3. Step 3: Cross multiply
    31,971.24x = 47,950.20 × 8,592.12
  4. Step 4: Simplify right side
    31,971.24x = 411,993,872.42
  5. Step 5: Solve for x
    x = 411,993,872.42/31,971.24
  6. Step 6: Final answer
    x = 12,886.39

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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.