Home / 31,611.12-47,423.88-10,833.36

Finding the Fourth Proportional to 31,611.12, 47,423.88 and 10,833.36

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Solution

The fourth proportional to 31,611.12, 47,423.88 and 10,833.36 is: 16,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.12 : 47,423.88 = 10,833.36 : x
  2. Step 2: Convert to fraction form
    31,611.12/47,423.88 = 10,833.36/x
  3. Step 3: Cross multiply
    31,611.12x = 47,423.88 × 10,833.36
  4. Step 4: Simplify right side
    31,611.12x = 513,759,964.64
  5. Step 5: Solve for x
    x = 513,759,964.64/31,611.12
  6. Step 6: Final answer
    x = 16,252.51

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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.