Home / 31,815.06-47,714.69-10,754.64

Finding the Fourth Proportional to 31,815.06, 47,714.69 and 10,754.64

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Solution

The fourth proportional to 31,815.06, 47,714.69 and 10,754.64 is: 16,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.06 : 47,714.69 = 10,754.64 : x
  2. Step 2: Convert to fraction form
    31,815.06/47,714.69 = 10,754.64/x
  3. Step 3: Cross multiply
    31,815.06x = 47,714.69 × 10,754.64
  4. Step 4: Simplify right side
    31,815.06x = 513,154,340.55
  5. Step 5: Solve for x
    x = 513,154,340.55/31,815.06
  6. Step 6: Final answer
    x = 16,129.29

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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.