Home / 31,912.02-47,867.67-14,369.40

Finding the Fourth Proportional to 31,912.02, 47,867.67 and 14,369.40

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Solution

The fourth proportional to 31,912.02, 47,867.67 and 14,369.40 is: 21,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.02 : 47,867.67 = 14,369.40 : x
  2. Step 2: Convert to fraction form
    31,912.02/47,867.67 = 14,369.40/x
  3. Step 3: Cross multiply
    31,912.02x = 47,867.67 × 14,369.40
  4. Step 4: Simplify right side
    31,912.02x = 687,829,697.30
  5. Step 5: Solve for x
    x = 687,829,697.30/31,912.02
  6. Step 6: Final answer
    x = 21,553.94

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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.