Home / 31,282.61-46,923.54-12,562.31

Finding the Fourth Proportional to 31,282.61, 46,923.54 and 12,562.31

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Solution

The fourth proportional to 31,282.61, 46,923.54 and 12,562.31 is: 18,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.61 : 46,923.54 = 12,562.31 : x
  2. Step 2: Convert to fraction form
    31,282.61/46,923.54 = 12,562.31/x
  3. Step 3: Cross multiply
    31,282.61x = 46,923.54 × 12,562.31
  4. Step 4: Simplify right side
    31,282.61x = 589,468,055.78
  5. Step 5: Solve for x
    x = 589,468,055.78/31,282.61
  6. Step 6: Final answer
    x = 18,843.31

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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.