Home / 31,535.30-47,262.09-12,793.52

Finding the Fourth Proportional to 31,535.30, 47,262.09 and 12,793.52

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Solution

The fourth proportional to 31,535.30, 47,262.09 and 12,793.52 is: 19,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.30 : 47,262.09 = 12,793.52 : x
  2. Step 2: Convert to fraction form
    31,535.30/47,262.09 = 12,793.52/x
  3. Step 3: Cross multiply
    31,535.30x = 47,262.09 × 12,793.52
  4. Step 4: Simplify right side
    31,535.30x = 604,648,493.66
  5. Step 5: Solve for x
    x = 604,648,493.66/31,535.30
  6. Step 6: Final answer
    x = 19,173.70

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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.