Home / 31,148.20-46,729.74-10,371.88

Finding the Fourth Proportional to 31,148.20, 46,729.74 and 10,371.88

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Solution

The fourth proportional to 31,148.20, 46,729.74 and 10,371.88 is: 15,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,148.20 : 46,729.74 = 10,371.88 : x
  2. Step 2: Convert to fraction form
    31,148.20/46,729.74 = 10,371.88/x
  3. Step 3: Cross multiply
    31,148.20x = 46,729.74 × 10,371.88
  4. Step 4: Simplify right side
    31,148.20x = 484,675,255.71
  5. Step 5: Solve for x
    x = 484,675,255.71/31,148.20
  6. Step 6: Final answer
    x = 15,560.30

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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.