Home / 31,651.29-47,483.96-11,930.02

Finding the Fourth Proportional to 31,651.29, 47,483.96 and 11,930.02

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Solution

The fourth proportional to 31,651.29, 47,483.96 and 11,930.02 is: 17,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651.29 : 47,483.96 = 11,930.02 : x
  2. Step 2: Convert to fraction form
    31,651.29/47,483.96 = 11,930.02/x
  3. Step 3: Cross multiply
    31,651.29x = 47,483.96 × 11,930.02
  4. Step 4: Simplify right side
    31,651.29x = 566,484,414.12
  5. Step 5: Solve for x
    x = 566,484,414.12/31,651.29
  6. Step 6: Final answer
    x = 17,897.67

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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.