Home / 31,803.12-47,658.60-17,922.48

Finding the Fourth Proportional to 31,803.12, 47,658.60 and 17,922.48

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Solution

The fourth proportional to 31,803.12, 47,658.60 and 17,922.48 is: 26,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.12 : 47,658.60 = 17,922.48 : x
  2. Step 2: Convert to fraction form
    31,803.12/47,658.60 = 17,922.48/x
  3. Step 3: Cross multiply
    31,803.12x = 47,658.60 × 17,922.48
  4. Step 4: Simplify right side
    31,803.12x = 854,160,305.33
  5. Step 5: Solve for x
    x = 854,160,305.33/31,803.12
  6. Step 6: Final answer
    x = 26,857.75

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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.