Home / 31,926.29-47,889.35-14,375.57

Finding the Fourth Proportional to 31,926.29, 47,889.35 and 14,375.57

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Solution

The fourth proportional to 31,926.29, 47,889.35 and 14,375.57 is: 21,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.29 : 47,889.35 = 14,375.57 : x
  2. Step 2: Convert to fraction form
    31,926.29/47,889.35 = 14,375.57/x
  3. Step 3: Cross multiply
    31,926.29x = 47,889.35 × 14,375.57
  4. Step 4: Simplify right side
    31,926.29x = 688,436,631.30
  5. Step 5: Solve for x
    x = 688,436,631.30/31,926.29
  6. Step 6: Final answer
    x = 21,563.31

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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.