Home / 31,644.18-47,473.47-16,845.30

Finding the Fourth Proportional to 31,644.18, 47,473.47 and 16,845.30

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Solution

The fourth proportional to 31,644.18, 47,473.47 and 16,845.30 is: 25,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.18 : 47,473.47 = 16,845.30 : x
  2. Step 2: Convert to fraction form
    31,644.18/47,473.47 = 16,845.30/x
  3. Step 3: Cross multiply
    31,644.18x = 47,473.47 × 16,845.30
  4. Step 4: Simplify right side
    31,644.18x = 799,704,844.19
  5. Step 5: Solve for x
    x = 799,704,844.19/31,644.18
  6. Step 6: Final answer
    x = 25,271.78

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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.