Home / 31,409.97-47,119.63-10,346.13

Finding the Fourth Proportional to 31,409.97, 47,119.63 and 10,346.13

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Solution

The fourth proportional to 31,409.97, 47,119.63 and 10,346.13 is: 15,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.97 : 47,119.63 = 10,346.13 : x
  2. Step 2: Convert to fraction form
    31,409.97/47,119.63 = 10,346.13/x
  3. Step 3: Cross multiply
    31,409.97x = 47,119.63 × 10,346.13
  4. Step 4: Simplify right side
    31,409.97x = 487,505,817.53
  5. Step 5: Solve for x
    x = 487,505,817.53/31,409.97
  6. Step 6: Final answer
    x = 15,520.73

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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.