Home / 31,608.99-47,400.30-12,876.27

Finding the Fourth Proportional to 31,608.99, 47,400.30 and 12,876.27

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Solution

The fourth proportional to 31,608.99, 47,400.30 and 12,876.27 is: 19,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608.99 : 47,400.30 = 12,876.27 : x
  2. Step 2: Convert to fraction form
    31,608.99/47,400.30 = 12,876.27/x
  3. Step 3: Cross multiply
    31,608.99x = 47,400.30 × 12,876.27
  4. Step 4: Simplify right side
    31,608.99x = 610,339,060.88
  5. Step 5: Solve for x
    x = 610,339,060.88/31,608.99
  6. Step 6: Final answer
    x = 19,309.03

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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.