Home / 31,827.52-47,724.88-14,282.31

Finding the Fourth Proportional to 31,827.52, 47,724.88 and 14,282.31

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Solution

The fourth proportional to 31,827.52, 47,724.88 and 14,282.31 is: 21,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.52 : 47,724.88 = 14,282.31 : x
  2. Step 2: Convert to fraction form
    31,827.52/47,724.88 = 14,282.31/x
  3. Step 3: Cross multiply
    31,827.52x = 47,724.88 × 14,282.31
  4. Step 4: Simplify right side
    31,827.52x = 681,621,530.87
  5. Step 5: Solve for x
    x = 681,621,530.87/31,827.52
  6. Step 6: Final answer
    x = 21,416.11

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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.