Home / 31,318.90-46,986.02-10,260.07

Finding the Fourth Proportional to 31,318.90, 46,986.02 and 10,260.07

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Solution

The fourth proportional to 31,318.90, 46,986.02 and 10,260.07 is: 15,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.90 : 46,986.02 = 10,260.07 : x
  2. Step 2: Convert to fraction form
    31,318.90/46,986.02 = 10,260.07/x
  3. Step 3: Cross multiply
    31,318.90x = 46,986.02 × 10,260.07
  4. Step 4: Simplify right side
    31,318.90x = 482,079,854.22
  5. Step 5: Solve for x
    x = 482,079,854.22/31,318.90
  6. Step 6: Final answer
    x = 15,392.62

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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.