Home / 31,619.94-47,393.91-10,555.04

Finding the Fourth Proportional to 31,619.94, 47,393.91 and 10,555.04

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Solution

The fourth proportional to 31,619.94, 47,393.91 and 10,555.04 is: 15,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.94 : 47,393.91 = 10,555.04 : x
  2. Step 2: Convert to fraction form
    31,619.94/47,393.91 = 10,555.04/x
  3. Step 3: Cross multiply
    31,619.94x = 47,393.91 × 10,555.04
  4. Step 4: Simplify right side
    31,619.94x = 500,244,378.84
  5. Step 5: Solve for x
    x = 500,244,378.84/31,619.94
  6. Step 6: Final answer
    x = 15,820.54

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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.