Home / 31,644.11-47,475.70-9,458.21

Finding the Fourth Proportional to 31,644.11, 47,475.70 and 9,458.21

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Solution

The fourth proportional to 31,644.11, 47,475.70 and 9,458.21 is: 14,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.11 : 47,475.70 = 9,458.21 : x
  2. Step 2: Convert to fraction form
    31,644.11/47,475.70 = 9,458.21/x
  3. Step 3: Cross multiply
    31,644.11x = 47,475.70 × 9,458.21
  4. Step 4: Simplify right side
    31,644.11x = 449,035,235.54
  5. Step 5: Solve for x
    x = 449,035,235.54/31,644.11
  6. Step 6: Final answer
    x = 14,190.17

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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.