Home / 31,170.24-46,760.16-10,392

Finding the Fourth Proportional to 31,170.24, 46,760.16 and 10,392

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Solution

The fourth proportional to 31,170.24, 46,760.16 and 10,392 is: 15,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.24 : 46,760.16 = 10,392 : x
  2. Step 2: Convert to fraction form
    31,170.24/46,760.16 = 10,392/x
  3. Step 3: Cross multiply
    31,170.24x = 46,760.16 × 10,392
  4. Step 4: Simplify right side
    31,170.24x = 485,931,582.72
  5. Step 5: Solve for x
    x = 485,931,582.72/31,170.24
  6. Step 6: Final answer
    x = 15,589.60

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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.