Home / 31,471.24-47,172.30-10,679.08

Finding the Fourth Proportional to 31,471.24, 47,172.30 and 10,679.08

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Solution

The fourth proportional to 31,471.24, 47,172.30 and 10,679.08 is: 16,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.24 : 47,172.30 = 10,679.08 : x
  2. Step 2: Convert to fraction form
    31,471.24/47,172.30 = 10,679.08/x
  3. Step 3: Cross multiply
    31,471.24x = 47,172.30 × 10,679.08
  4. Step 4: Simplify right side
    31,471.24x = 503,756,765.48
  5. Step 5: Solve for x
    x = 503,756,765.48/31,471.24
  6. Step 6: Final answer
    x = 16,006.89

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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.