Home / 31,772.01-47,654.37-8,400.27

Finding the Fourth Proportional to 31,772.01, 47,654.37 and 8,400.27

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Solution

The fourth proportional to 31,772.01, 47,654.37 and 8,400.27 is: 12,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.01 : 47,654.37 = 8,400.27 : x
  2. Step 2: Convert to fraction form
    31,772.01/47,654.37 = 8,400.27/x
  3. Step 3: Cross multiply
    31,772.01x = 47,654.37 × 8,400.27
  4. Step 4: Simplify right side
    31,772.01x = 400,309,574.68
  5. Step 5: Solve for x
    x = 400,309,574.68/31,772.01
  6. Step 6: Final answer
    x = 12,599.44

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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.