Home / 31,410.48-46,996.38-19,359.48

Finding the Fourth Proportional to 31,410.48, 46,996.38 and 19,359.48

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Solution

The fourth proportional to 31,410.48, 46,996.38 and 19,359.48 is: 28,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.48 : 46,996.38 = 19,359.48 : x
  2. Step 2: Convert to fraction form
    31,410.48/46,996.38 = 19,359.48/x
  3. Step 3: Cross multiply
    31,410.48x = 46,996.38 × 19,359.48
  4. Step 4: Simplify right side
    31,410.48x = 909,825,478.68
  5. Step 5: Solve for x
    x = 909,825,478.68/31,410.48
  6. Step 6: Final answer
    x = 28,965.67

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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.