Home / 31,625.40-47,399.70-14,076.60

Finding the Fourth Proportional to 31,625.40, 47,399.70 and 14,076.60

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Solution

The fourth proportional to 31,625.40, 47,399.70 and 14,076.60 is: 21,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.40 : 47,399.70 = 14,076.60 : x
  2. Step 2: Convert to fraction form
    31,625.40/47,399.70 = 14,076.60/x
  3. Step 3: Cross multiply
    31,625.40x = 47,399.70 × 14,076.60
  4. Step 4: Simplify right side
    31,625.40x = 667,226,617.02
  5. Step 5: Solve for x
    x = 667,226,617.02/31,625.40
  6. Step 6: Final answer
    x = 21,097.81

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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.