Home / 31,789.28-47,684.28-9,602.84

Finding the Fourth Proportional to 31,789.28, 47,684.28 and 9,602.84

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Solution

The fourth proportional to 31,789.28, 47,684.28 and 9,602.84 is: 14,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.28 : 47,684.28 = 9,602.84 : x
  2. Step 2: Convert to fraction form
    31,789.28/47,684.28 = 9,602.84/x
  3. Step 3: Cross multiply
    31,789.28x = 47,684.28 × 9,602.84
  4. Step 4: Simplify right side
    31,789.28x = 457,904,511.36
  5. Step 5: Solve for x
    x = 457,904,511.36/31,789.28
  6. Step 6: Final answer
    x = 14,404.37

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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.