Home / 31,315.44-46,966.20-9,124.08

Finding the Fourth Proportional to 31,315.44, 46,966.20 and 9,124.08

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Solution

The fourth proportional to 31,315.44, 46,966.20 and 9,124.08 is: 13,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.44 : 46,966.20 = 9,124.08 : x
  2. Step 2: Convert to fraction form
    31,315.44/46,966.20 = 9,124.08/x
  3. Step 3: Cross multiply
    31,315.44x = 46,966.20 × 9,124.08
  4. Step 4: Simplify right side
    31,315.44x = 428,523,366.10
  5. Step 5: Solve for x
    x = 428,523,366.10/31,315.44
  6. Step 6: Final answer
    x = 13,684.09

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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.