Home / 31,046.04-46,539-12,319.92

Finding the Fourth Proportional to 31,046.04, 46,539 and 12,319.92

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Solution

The fourth proportional to 31,046.04, 46,539 and 12,319.92 is: 18,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.04 : 46,539 = 12,319.92 : x
  2. Step 2: Convert to fraction form
    31,046.04/46,539 = 12,319.92/x
  3. Step 3: Cross multiply
    31,046.04x = 46,539 × 12,319.92
  4. Step 4: Simplify right side
    31,046.04x = 573,356,756.88
  5. Step 5: Solve for x
    x = 573,356,756.88/31,046.04
  6. Step 6: Final answer
    x = 18,467.95

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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.