Home / 31,859.16-47,793.06-11,079.96

Finding the Fourth Proportional to 31,859.16, 47,793.06 and 11,079.96

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Solution

The fourth proportional to 31,859.16, 47,793.06 and 11,079.96 is: 16,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,859.16 : 47,793.06 = 11,079.96 : x
  2. Step 2: Convert to fraction form
    31,859.16/47,793.06 = 11,079.96/x
  3. Step 3: Cross multiply
    31,859.16x = 47,793.06 × 11,079.96
  4. Step 4: Simplify right side
    31,859.16x = 529,545,193.08
  5. Step 5: Solve for x
    x = 529,545,193.08/31,859.16
  6. Step 6: Final answer
    x = 16,621.44

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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.