Home / 31,230.61-46,836.15-10,449.25

Finding the Fourth Proportional to 31,230.61, 46,836.15 and 10,449.25

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Solution

The fourth proportional to 31,230.61, 46,836.15 and 10,449.25 is: 15,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.61 : 46,836.15 = 10,449.25 : x
  2. Step 2: Convert to fraction form
    31,230.61/46,836.15 = 10,449.25/x
  3. Step 3: Cross multiply
    31,230.61x = 46,836.15 × 10,449.25
  4. Step 4: Simplify right side
    31,230.61x = 489,402,640.39
  5. Step 5: Solve for x
    x = 489,402,640.39/31,230.61
  6. Step 6: Final answer
    x = 15,670.61

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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.