Home / 31,997.40-47,996.10-16,405.08

Finding the Fourth Proportional to 31,997.40, 47,996.10 and 16,405.08

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Solution

The fourth proportional to 31,997.40, 47,996.10 and 16,405.08 is: 24,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997.40 : 47,996.10 = 16,405.08 : x
  2. Step 2: Convert to fraction form
    31,997.40/47,996.10 = 16,405.08/x
  3. Step 3: Cross multiply
    31,997.40x = 47,996.10 × 16,405.08
  4. Step 4: Simplify right side
    31,997.40x = 787,379,860.19
  5. Step 5: Solve for x
    x = 787,379,860.19/31,997.40
  6. Step 6: Final answer
    x = 24,607.62

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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.