Home / 31,403.16-47,104.88-8,029.60

Finding the Fourth Proportional to 31,403.16, 47,104.88 and 8,029.60

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Solution

The fourth proportional to 31,403.16, 47,104.88 and 8,029.60 is: 12,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.16 : 47,104.88 = 8,029.60 : x
  2. Step 2: Convert to fraction form
    31,403.16/47,104.88 = 8,029.60/x
  3. Step 3: Cross multiply
    31,403.16x = 47,104.88 × 8,029.60
  4. Step 4: Simplify right side
    31,403.16x = 378,233,344.45
  5. Step 5: Solve for x
    x = 378,233,344.45/31,403.16
  6. Step 6: Final answer
    x = 12,044.44

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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.